28746570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 71280000

約数和(自身を除く): 42533430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 109, 118, 149, 177, 218, 295, 298, 327, 354, 447, 545, 590, 654, 745, 885, 894, 1090, 1490, 1635, 1770, 2235, 3270, 4470, 6431, 8791, 12862, 16241, 17582, 19293, 26373, 32155, 32482, 38586, 43955, 48723, 52746, 64310, 81205, 87910, 96465, 97446, 131865, 162410, 192930, 243615, 263730, 487230, 958219, 1916438, 2874657, 4791095, 5749314, 9582190, 14373285, 28746570]

約数ペア:

[(1, 28746570), (2, 14373285), (3, 9582190), (5, 5749314), (6, 4791095), (10, 2874657), (15, 1916438), (30, 958219), (59, 487230), (109, 263730), (118, 243615), (149, 192930), (177, 162410), (218, 131865), (295, 97446), (298, 96465), (327, 87910), (354, 81205), (447, 64310), (545, 52746), (590, 48723), (654, 43955), (745, 38586), (885, 32482), (894, 32155), (1090, 26373), (1490, 19293), (1635, 17582), (1770, 16241), (2235, 12862), (3270, 8791), (4470, 6431)]