99420100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2525

約数の個数: 72

約数和(自身を含む): 239929088

約数和(自身を除く): 140508988

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 2467, 3100, 4030, 4934, 8060, 9868, 10075, 12335, 20150, 24670, 32071, 40300, 49340, 61675, 64142, 76477, 123350, 128284, 152954, 160355, 246700, 305908, 320710, 382385, 641420, 764770, 801775, 994201, 1529540, 1603550, 1911925, 1988402, 3207100, 3823850, 3976804, 4971005, 7647700, 9942010, 19884020, 24855025, 49710050, 99420100]

約数ペア:

[(1, 99420100), (2, 49710050), (4, 24855025), (5, 19884020), (10, 9942010), (13, 7647700), (20, 4971005), (25, 3976804), (26, 3823850), (31, 3207100), (50, 1988402), (52, 1911925), (62, 1603550), (65, 1529540), (100, 994201), (124, 801775), (130, 764770), (155, 641420), (260, 382385), (310, 320710), (325, 305908), (403, 246700), (620, 160355), (650, 152954), (775, 128284), (806, 123350), (1300, 76477), (1550, 64142), (1612, 61675), (2015, 49340), (2467, 40300), (3100, 32071), (4030, 24670), (4934, 20150), (8060, 12335), (9868, 10075)]