28049700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 216

約数和(自身を含む): 100535232

約数和(自身を除く): 72485532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 37, 38, 42, 50, 57, 60, 70, 74, 75, 76, 84, 95, 100, 105, 111, 114, 133, 140, 148, 150, 175, 185, 190, 210, 222, 228, 259, 266, 285, 300, 350, 361, 370, 380, 399, 420, 444, 475, 518, 525, 532, 555, 570, 665, 700, 703, 722, 740, 777, 798, 925, 950, 1036, 1050, 1083, 1110, 1140, 1295, 1330, 1406, 1425, 1444, 1554, 1596, 1805, 1850, 1900, 1995, 2100, 2109, 2166, 2220, 2527, 2590, 2660, 2775, 2812, 2850, 3108, 3325, 3515, 3610, 3700, 3885, 3990, 4218, 4332, 4921, 5054, 5180, 5415, 5550, 5700, 6475, 6650, 7030, 7220, 7581, 7770, 7980, 8436, 9025, 9842, 9975, 10108, 10545, 10830, 11100, 12635, 12950, 13300, 13357, 14060, 14763, 15162, 15540, 17575, 18050, 19425, 19684, 19950, 21090, 21660, 24605, 25270, 25900, 26714, 27075, 29526, 30324, 35150, 36100, 37905, 38850, 39900, 40071, 42180, 49210, 50540, 52725, 53428, 54150, 59052, 63175, 66785, 70300, 73815, 75810, 77700, 80142, 93499, 98420, 105450, 108300, 123025, 126350, 133570, 147630, 151620, 160284, 186998, 189525, 200355, 210900, 246050, 252700, 267140, 280497, 295260, 333925, 369075, 373996, 379050, 400710, 467495, 492100, 560994, 667850, 738150, 758100, 801420, 934990, 1001775, 1121988, 1335700, 1402485, 1476300, 1869980, 2003550, 2337475, 2804970, 4007100, 4674950, 5609940, 7012425, 9349900, 14024850, 28049700]

約数ペア:

[(1, 28049700), (2, 14024850), (3, 9349900), (4, 7012425), (5, 5609940), (6, 4674950), (7, 4007100), (10, 2804970), (12, 2337475), (14, 2003550), (15, 1869980), (19, 1476300), (20, 1402485), (21, 1335700), (25, 1121988), (28, 1001775), (30, 934990), (35, 801420), (37, 758100), (38, 738150), (42, 667850), (50, 560994), (57, 492100), (60, 467495), (70, 400710), (74, 379050), (75, 373996), (76, 369075), (84, 333925), (95, 295260), (100, 280497), (105, 267140), (111, 252700), (114, 246050), (133, 210900), (140, 200355), (148, 189525), (150, 186998), (175, 160284), (185, 151620), (190, 147630), (210, 133570), (222, 126350), (228, 123025), (259, 108300), (266, 105450), (285, 98420), (300, 93499), (350, 80142), (361, 77700), (370, 75810), (380, 73815), (399, 70300), (420, 66785), (444, 63175), (475, 59052), (518, 54150), (525, 53428), (532, 52725), (555, 50540), (570, 49210), (665, 42180), (700, 40071), (703, 39900), (722, 38850), (740, 37905), (777, 36100), (798, 35150), (925, 30324), (950, 29526), (1036, 27075), (1050, 26714), (1083, 25900), (1110, 25270), (1140, 24605), (1295, 21660), (1330, 21090), (1406, 19950), (1425, 19684), (1444, 19425), (1554, 18050), (1596, 17575), (1805, 15540), (1850, 15162), (1900, 14763), (1995, 14060), (2100, 13357), (2109, 13300), (2166, 12950), (2220, 12635), (2527, 11100), (2590, 10830), (2660, 10545), (2775, 10108), (2812, 9975), (2850, 9842), (3108, 9025), (3325, 8436), (3515, 7980), (3610, 7770), (3700, 7581), (3885, 7220), (3990, 7030), (4218, 6650), (4332, 6475), (4921, 5700), (5054, 5550), (5180, 5415)]