28331940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5189}}^1$

素因数の和:5221

約数の個数: 96

約数和(自身を含む): 97655040

約数和(自身を除く): 69323100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5189, 5460, 10378, 15567, 20756, 25945, 31134, 36323, 51890, 62268, 67457, 72646, 77835, 103780, 108969, 134914, 145292, 155670, 181615, 202371, 217938, 269828, 311340, 337285, 363230, 404742, 435876, 472199, 544845, 674570, 726460, 809484, 944398, 1011855, 1089690, 1349140, 1416597, 1888796, 2023710, 2179380, 2360995, 2833194, 4047420, 4721990, 5666388, 7082985, 9443980, 14165970, 28331940]

約数ペア:

[(1, 28331940), (2, 14165970), (3, 9443980), (4, 7082985), (5, 5666388), (6, 4721990), (7, 4047420), (10, 2833194), (12, 2360995), (13, 2179380), (14, 2023710), (15, 1888796), (20, 1416597), (21, 1349140), (26, 1089690), (28, 1011855), (30, 944398), (35, 809484), (39, 726460), (42, 674570), (52, 544845), (60, 472199), (65, 435876), (70, 404742), (78, 363230), (84, 337285), (91, 311340), (105, 269828), (130, 217938), (140, 202371), (156, 181615), (182, 155670), (195, 145292), (210, 134914), (260, 108969), (273, 103780), (364, 77835), (390, 72646), (420, 67457), (455, 62268), (546, 51890), (780, 36323), (910, 31134), (1092, 25945), (1365, 20756), (1820, 15567), (2730, 10378), (5189, 5460)]