156778700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1453}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 371049168

約数和(自身を除く): 214270468

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 130, 166, 260, 325, 332, 415, 650, 830, 1079, 1300, 1453, 1660, 2075, 2158, 2906, 4150, 4316, 5395, 5812, 7265, 8300, 10790, 14530, 18889, 21580, 26975, 29060, 36325, 37778, 53950, 72650, 75556, 94445, 107900, 120599, 145300, 188890, 241198, 377780, 472225, 482396, 602995, 944450, 1205990, 1567787, 1888900, 2411980, 3014975, 3135574, 6029950, 6271148, 7838935, 12059900, 15677870, 31355740, 39194675, 78389350, 156778700]

約数ペア:

[(1, 156778700), (2, 78389350), (4, 39194675), (5, 31355740), (10, 15677870), (13, 12059900), (20, 7838935), (25, 6271148), (26, 6029950), (50, 3135574), (52, 3014975), (65, 2411980), (83, 1888900), (100, 1567787), (130, 1205990), (166, 944450), (260, 602995), (325, 482396), (332, 472225), (415, 377780), (650, 241198), (830, 188890), (1079, 145300), (1300, 120599), (1453, 107900), (1660, 94445), (2075, 75556), (2158, 72650), (2906, 53950), (4150, 37778), (4316, 36325), (5395, 29060), (5812, 26975), (7265, 21580), (8300, 18889), (10790, 14530)]