42203980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23189}}^1$

素因数の和:23218

約数の個数: 48

約数和(自身を含む): 109085760

約数和(自身を除く): 66881780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 23189, 46378, 92756, 115945, 162323, 231890, 301457, 324646, 463780, 602914, 649292, 811615, 1205828, 1507285, 1623230, 2110199, 3014570, 3246460, 4220398, 6029140, 8440796, 10550995, 21101990, 42203980]

約数ペア:

[(1, 42203980), (2, 21101990), (4, 10550995), (5, 8440796), (7, 6029140), (10, 4220398), (13, 3246460), (14, 3014570), (20, 2110199), (26, 1623230), (28, 1507285), (35, 1205828), (52, 811615), (65, 649292), (70, 602914), (91, 463780), (130, 324646), (140, 301457), (182, 231890), (260, 162323), (364, 115945), (455, 92756), (910, 46378), (1820, 23189)]