90242860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2467}}^1$

素因数の和:2566

約数の個数: 48

約数和(自身を含む): 199019520

約数和(自身を除く): 108776660

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 2467, 3658, 4934, 7316, 9145, 9868, 12335, 18290, 24670, 36580, 49340, 76477, 145553, 152954, 291106, 305908, 382385, 582212, 727765, 764770, 1455530, 1529540, 2911060, 4512143, 9024286, 18048572, 22560715, 45121430, 90242860]

約数ペア:

[(1, 90242860), (2, 45121430), (4, 22560715), (5, 18048572), (10, 9024286), (20, 4512143), (31, 2911060), (59, 1529540), (62, 1455530), (118, 764770), (124, 727765), (155, 582212), (236, 382385), (295, 305908), (310, 291106), (590, 152954), (620, 145553), (1180, 76477), (1829, 49340), (2467, 36580), (3658, 24670), (4934, 18290), (7316, 12335), (9145, 9868)]