9913180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 21934080

約数和(自身を除く): 12020900

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 271, 295, 310, 542, 590, 620, 1084, 1180, 1355, 1829, 2710, 3658, 5420, 7316, 8401, 9145, 15989, 16802, 18290, 31978, 33604, 36580, 42005, 63956, 79945, 84010, 159890, 168020, 319780, 495659, 991318, 1982636, 2478295, 4956590, 9913180]

約数ペア:

[(1, 9913180), (2, 4956590), (4, 2478295), (5, 1982636), (10, 991318), (20, 495659), (31, 319780), (59, 168020), (62, 159890), (118, 84010), (124, 79945), (155, 63956), (236, 42005), (271, 36580), (295, 33604), (310, 31978), (542, 18290), (590, 16802), (620, 15989), (1084, 9145), (1180, 8401), (1355, 7316), (1829, 5420), (2710, 3658)]