28425390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 80914464

約数和(自身を除く): 52489074

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 61, 70, 98, 105, 122, 147, 183, 210, 245, 294, 305, 317, 366, 427, 490, 610, 634, 735, 854, 915, 951, 1281, 1470, 1585, 1830, 1902, 2135, 2219, 2562, 2989, 3170, 4270, 4438, 4755, 5978, 6405, 6657, 8967, 9510, 11095, 12810, 13314, 14945, 15533, 17934, 19337, 22190, 29890, 31066, 33285, 38674, 44835, 46599, 58011, 66570, 77665, 89670, 93198, 96685, 116022, 135359, 155330, 193370, 232995, 270718, 290055, 406077, 465990, 580110, 676795, 812154, 947513, 1353590, 1895026, 2030385, 2842539, 4060770, 4737565, 5685078, 9475130, 14212695, 28425390]

約数ペア:

[(1, 28425390), (2, 14212695), (3, 9475130), (5, 5685078), (6, 4737565), (7, 4060770), (10, 2842539), (14, 2030385), (15, 1895026), (21, 1353590), (30, 947513), (35, 812154), (42, 676795), (49, 580110), (61, 465990), (70, 406077), (98, 290055), (105, 270718), (122, 232995), (147, 193370), (183, 155330), (210, 135359), (245, 116022), (294, 96685), (305, 93198), (317, 89670), (366, 77665), (427, 66570), (490, 58011), (610, 46599), (634, 44835), (735, 38674), (854, 33285), (915, 31066), (951, 29890), (1281, 22190), (1470, 19337), (1585, 17934), (1830, 15533), (1902, 14945), (2135, 13314), (2219, 12810), (2562, 11095), (2989, 9510), (3170, 8967), (4270, 6657), (4438, 6405), (4755, 5978)]