388738140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 192

約数和(自身を含む): 1304862720

約数和(自身を除く): 916124580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 73, 84, 93, 105, 124, 140, 146, 155, 186, 210, 217, 219, 292, 310, 365, 372, 409, 420, 434, 438, 465, 511, 620, 651, 730, 818, 868, 876, 930, 1022, 1085, 1095, 1227, 1302, 1460, 1533, 1636, 1860, 2044, 2045, 2170, 2190, 2263, 2454, 2555, 2604, 2863, 3066, 3255, 4090, 4340, 4380, 4526, 4908, 5110, 5726, 6132, 6135, 6510, 6789, 7665, 8180, 8589, 9052, 10220, 11315, 11452, 12270, 12679, 13020, 13578, 14315, 15330, 15841, 17178, 22630, 24540, 25358, 27156, 28630, 29857, 30660, 31682, 33945, 34356, 38037, 42945, 45260, 47523, 50716, 57260, 59714, 63364, 63395, 67890, 76074, 79205, 85890, 88753, 89571, 95046, 119428, 126790, 135780, 149285, 152148, 158410, 171780, 177506, 179142, 190092, 190185, 208999, 237615, 253580, 266259, 298570, 316820, 355012, 358284, 380370, 417998, 443765, 447855, 475230, 532518, 597140, 626997, 760740, 835996, 887530, 895710, 925567, 950460, 1044995, 1065036, 1253994, 1331295, 1775060, 1791420, 1851134, 2089990, 2507988, 2662590, 2776701, 3134985, 3702268, 4179980, 4627835, 5325180, 5553402, 6269970, 6478969, 9255670, 11106804, 12539940, 12957938, 13883505, 18511340, 19436907, 25915876, 27767010, 32394845, 38873814, 55534020, 64789690, 77747628, 97184535, 129579380, 194369070, 388738140]

約数ペア:

[(1, 388738140), (2, 194369070), (3, 129579380), (4, 97184535), (5, 77747628), (6, 64789690), (7, 55534020), (10, 38873814), (12, 32394845), (14, 27767010), (15, 25915876), (20, 19436907), (21, 18511340), (28, 13883505), (30, 12957938), (31, 12539940), (35, 11106804), (42, 9255670), (60, 6478969), (62, 6269970), (70, 5553402), (73, 5325180), (84, 4627835), (93, 4179980), (105, 3702268), (124, 3134985), (140, 2776701), (146, 2662590), (155, 2507988), (186, 2089990), (210, 1851134), (217, 1791420), (219, 1775060), (292, 1331295), (310, 1253994), (365, 1065036), (372, 1044995), (409, 950460), (420, 925567), (434, 895710), (438, 887530), (465, 835996), (511, 760740), (620, 626997), (651, 597140), (730, 532518), (818, 475230), (868, 447855), (876, 443765), (930, 417998), (1022, 380370), (1085, 358284), (1095, 355012), (1227, 316820), (1302, 298570), (1460, 266259), (1533, 253580), (1636, 237615), (1860, 208999), (2044, 190185), (2045, 190092), (2170, 179142), (2190, 177506), (2263, 171780), (2454, 158410), (2555, 152148), (2604, 149285), (2863, 135780), (3066, 126790), (3255, 119428), (4090, 95046), (4340, 89571), (4380, 88753), (4526, 85890), (4908, 79205), (5110, 76074), (5726, 67890), (6132, 63395), (6135, 63364), (6510, 59714), (6789, 57260), (7665, 50716), (8180, 47523), (8589, 45260), (9052, 42945), (10220, 38037), (11315, 34356), (11452, 33945), (12270, 31682), (12679, 30660), (13020, 29857), (13578, 28630), (14315, 27156), (15330, 25358), (15841, 24540), (17178, 22630)]