211303980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4871}}^1$

素因数の和:5127

約数の個数: 72

約数和(自身を含む): 643747104

約数和(自身を除く): 432443124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 2169, 2410, 2892, 3615, 4338, 4820, 4871, 7230, 8676, 9742, 10845, 14460, 14613, 19484, 21690, 24355, 29226, 43380, 43839, 48710, 58452, 73065, 87678, 97420, 146130, 175356, 219195, 292260, 438390, 876780, 1173911, 2347822, 3521733, 4695644, 5869555, 7043466, 10565199, 11739110, 14086932, 17608665, 21130398, 23478220, 35217330, 42260796, 52825995, 70434660, 105651990, 211303980]

約数ペア:

[(1, 211303980), (2, 105651990), (3, 70434660), (4, 52825995), (5, 42260796), (6, 35217330), (9, 23478220), (10, 21130398), (12, 17608665), (15, 14086932), (18, 11739110), (20, 10565199), (30, 7043466), (36, 5869555), (45, 4695644), (60, 3521733), (90, 2347822), (180, 1173911), (241, 876780), (482, 438390), (723, 292260), (964, 219195), (1205, 175356), (1446, 146130), (2169, 97420), (2410, 87678), (2892, 73065), (3615, 58452), (4338, 48710), (4820, 43839), (4871, 43380), (7230, 29226), (8676, 24355), (9742, 21690), (10845, 19484), (14460, 14613)]