438897900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:513

約数の個数: 216

約数和(自身を含む): 1501101840

約数和(自身を除く): 1062203940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 73, 75, 84, 98, 100, 105, 140, 146, 147, 150, 175, 196, 210, 219, 245, 292, 294, 300, 350, 365, 409, 420, 438, 490, 511, 525, 588, 700, 730, 735, 818, 876, 980, 1022, 1050, 1095, 1225, 1227, 1460, 1470, 1533, 1636, 1825, 2044, 2045, 2100, 2190, 2450, 2454, 2555, 2863, 2940, 3066, 3577, 3650, 3675, 4090, 4380, 4900, 4908, 5110, 5475, 5726, 6132, 6135, 7154, 7300, 7350, 7665, 8180, 8589, 10220, 10225, 10731, 10950, 11452, 12270, 12775, 14308, 14315, 14700, 15330, 17178, 17885, 20041, 20450, 21462, 21900, 24540, 25550, 28630, 29857, 30660, 30675, 34356, 35770, 38325, 40082, 40900, 42924, 42945, 51100, 53655, 57260, 59714, 60123, 61350, 71540, 71575, 76650, 80164, 85890, 89425, 89571, 100205, 107310, 119428, 120246, 122700, 143150, 149285, 153300, 171780, 178850, 179142, 200410, 208999, 214620, 214725, 240492, 268275, 286300, 298570, 300615, 357700, 358284, 400820, 417998, 429450, 447855, 501025, 536550, 597140, 601230, 626997, 746425, 835996, 858900, 895710, 1002050, 1044995, 1073100, 1202460, 1253994, 1462993, 1492850, 1503075, 1791420, 2004100, 2089990, 2239275, 2507988, 2925986, 2985700, 3006150, 3134985, 4179980, 4388979, 4478550, 5224975, 5851972, 6012300, 6269970, 7314965, 8777958, 8957100, 10449950, 12539940, 14629930, 15674925, 17555916, 20899900, 21944895, 29259860, 31349850, 36574825, 43889790, 62699700, 73149650, 87779580, 109724475, 146299300, 219448950, 438897900]

約数ペア:

[(1, 438897900), (2, 219448950), (3, 146299300), (4, 109724475), (5, 87779580), (6, 73149650), (7, 62699700), (10, 43889790), (12, 36574825), (14, 31349850), (15, 29259860), (20, 21944895), (21, 20899900), (25, 17555916), (28, 15674925), (30, 14629930), (35, 12539940), (42, 10449950), (49, 8957100), (50, 8777958), (60, 7314965), (70, 6269970), (73, 6012300), (75, 5851972), (84, 5224975), (98, 4478550), (100, 4388979), (105, 4179980), (140, 3134985), (146, 3006150), (147, 2985700), (150, 2925986), (175, 2507988), (196, 2239275), (210, 2089990), (219, 2004100), (245, 1791420), (292, 1503075), (294, 1492850), (300, 1462993), (350, 1253994), (365, 1202460), (409, 1073100), (420, 1044995), (438, 1002050), (490, 895710), (511, 858900), (525, 835996), (588, 746425), (700, 626997), (730, 601230), (735, 597140), (818, 536550), (876, 501025), (980, 447855), (1022, 429450), (1050, 417998), (1095, 400820), (1225, 358284), (1227, 357700), (1460, 300615), (1470, 298570), (1533, 286300), (1636, 268275), (1825, 240492), (2044, 214725), (2045, 214620), (2100, 208999), (2190, 200410), (2450, 179142), (2454, 178850), (2555, 171780), (2863, 153300), (2940, 149285), (3066, 143150), (3577, 122700), (3650, 120246), (3675, 119428), (4090, 107310), (4380, 100205), (4900, 89571), (4908, 89425), (5110, 85890), (5475, 80164), (5726, 76650), (6132, 71575), (6135, 71540), (7154, 61350), (7300, 60123), (7350, 59714), (7665, 57260), (8180, 53655), (8589, 51100), (10220, 42945), (10225, 42924), (10731, 40900), (10950, 40082), (11452, 38325), (12270, 35770), (12775, 34356), (14308, 30675), (14315, 30660), (14700, 29857), (15330, 28630), (17178, 25550), (17885, 24540), (20041, 21900), (20450, 21462)]