987133980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{123701}}^1$

素因数の和:123739

約数の個数: 96

約数和(自身を含む): 3325109760

約数和(自身を除く): 2337975780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 123701, 247402, 371103, 494804, 618505, 742206, 865907, 1237010, 1484412, 1731814, 1855515, 2350319, 2474020, 2597721, 3463628, 3711030, 4329535, 4700638, 5195442, 7050957, 7422060, 8659070, 9401276, 10390884, 11751595, 12988605, 14101914, 16452233, 17318140, 23503190, 25977210, 28203828, 32904466, 35254785, 47006380, 49356699, 51954420, 65808932, 70509570, 82261165, 98713398, 141019140, 164522330, 197426796, 246783495, 329044660, 493566990, 987133980]

約数ペア:

[(1, 987133980), (2, 493566990), (3, 329044660), (4, 246783495), (5, 197426796), (6, 164522330), (7, 141019140), (10, 98713398), (12, 82261165), (14, 70509570), (15, 65808932), (19, 51954420), (20, 49356699), (21, 47006380), (28, 35254785), (30, 32904466), (35, 28203828), (38, 25977210), (42, 23503190), (57, 17318140), (60, 16452233), (70, 14101914), (76, 12988605), (84, 11751595), (95, 10390884), (105, 9401276), (114, 8659070), (133, 7422060), (140, 7050957), (190, 5195442), (210, 4700638), (228, 4329535), (266, 3711030), (285, 3463628), (380, 2597721), (399, 2474020), (420, 2350319), (532, 1855515), (570, 1731814), (665, 1484412), (798, 1237010), (1140, 865907), (1330, 742206), (1596, 618505), (1995, 494804), (2660, 371103), (3990, 247402), (7980, 123701)]