29781700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 71939840

約数和(自身を除く): 42158140

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, 739, 775, 806, 1300, 1478, 1550, 1612, 2015, 2956, 3100, 3695, 4030, 7390, 8060, 9607, 10075, 14780, 18475, 19214, 20150, 22909, 36950, 38428, 40300, 45818, 48035, 73900, 91636, 96070, 114545, 192140, 229090, 240175, 297817, 458180, 480350, 572725, 595634, 960700, 1145450, 1191268, 1489085, 2290900, 2978170, 5956340, 7445425, 14890850, 29781700]

約数ペア:

[(1, 29781700), (2, 14890850), (4, 7445425), (5, 5956340), (10, 2978170), (13, 2290900), (20, 1489085), (25, 1191268), (26, 1145450), (31, 960700), (50, 595634), (52, 572725), (62, 480350), (65, 458180), (100, 297817), (124, 240175), (130, 229090), (155, 192140), (260, 114545), (310, 96070), (325, 91636), (403, 73900), (620, 48035), (650, 45818), (739, 40300), (775, 38428), (806, 36950), (1300, 22909), (1478, 20150), (1550, 19214), (1612, 18475), (2015, 14780), (2956, 10075), (3100, 9607), (3695, 8060), (4030, 7390)]