17773980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 39802980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 419, 420, 505, 606, 707, 838, 1010, 1212, 1257, 1414, 1515, 1676, 2020, 2095, 2121, 2514, 2828, 2933, 3030, 3535, 4190, 4242, 5028, 5866, 6060, 6285, 7070, 8380, 8484, 8799, 10605, 11732, 12570, 14140, 14665, 17598, 21210, 25140, 29330, 35196, 42319, 42420, 43995, 58660, 84638, 87990, 126957, 169276, 175980, 211595, 253914, 296233, 423190, 507828, 592466, 634785, 846380, 888699, 1184932, 1269570, 1481165, 1777398, 2539140, 2962330, 3554796, 4443495, 5924660, 8886990, 17773980]

約数ペア:

[(1, 17773980), (2, 8886990), (3, 5924660), (4, 4443495), (5, 3554796), (6, 2962330), (7, 2539140), (10, 1777398), (12, 1481165), (14, 1269570), (15, 1184932), (20, 888699), (21, 846380), (28, 634785), (30, 592466), (35, 507828), (42, 423190), (60, 296233), (70, 253914), (84, 211595), (101, 175980), (105, 169276), (140, 126957), (202, 87990), (210, 84638), (303, 58660), (404, 43995), (419, 42420), (420, 42319), (505, 35196), (606, 29330), (707, 25140), (838, 21210), (1010, 17598), (1212, 14665), (1257, 14140), (1414, 12570), (1515, 11732), (1676, 10605), (2020, 8799), (2095, 8484), (2121, 8380), (2514, 7070), (2828, 6285), (2933, 6060), (3030, 5866), (3535, 5028), (4190, 4242)]