11815700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 28253400

約数和(自身を除く): 16437700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 149, 244, 260, 298, 305, 325, 596, 610, 650, 745, 793, 1220, 1300, 1490, 1525, 1586, 1937, 2980, 3050, 3172, 3725, 3874, 3965, 6100, 7450, 7748, 7930, 9089, 9685, 14900, 15860, 18178, 19370, 19825, 36356, 38740, 39650, 45445, 48425, 79300, 90890, 96850, 118157, 181780, 193700, 227225, 236314, 454450, 472628, 590785, 908900, 1181570, 2363140, 2953925, 5907850, 11815700]

約数ペア:

[(1, 11815700), (2, 5907850), (4, 2953925), (5, 2363140), (10, 1181570), (13, 908900), (20, 590785), (25, 472628), (26, 454450), (50, 236314), (52, 227225), (61, 193700), (65, 181780), (100, 118157), (122, 96850), (130, 90890), (149, 79300), (244, 48425), (260, 45445), (298, 39650), (305, 38740), (325, 36356), (596, 19825), (610, 19370), (650, 18178), (745, 15860), (793, 14900), (1220, 9685), (1300, 9089), (1490, 7930), (1525, 7748), (1586, 7450), (1937, 6100), (2980, 3965), (3050, 3874), (3172, 3725)]