12450100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 29760248

約数和(自身を除く): 17310148

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 157, 244, 260, 305, 314, 325, 610, 628, 650, 785, 793, 1220, 1300, 1525, 1570, 1586, 2041, 3050, 3140, 3172, 3925, 3965, 4082, 6100, 7850, 7930, 8164, 9577, 10205, 15700, 15860, 19154, 19825, 20410, 38308, 39650, 40820, 47885, 51025, 79300, 95770, 102050, 124501, 191540, 204100, 239425, 249002, 478850, 498004, 622505, 957700, 1245010, 2490020, 3112525, 6225050, 12450100]

約数ペア:

[(1, 12450100), (2, 6225050), (4, 3112525), (5, 2490020), (10, 1245010), (13, 957700), (20, 622505), (25, 498004), (26, 478850), (50, 249002), (52, 239425), (61, 204100), (65, 191540), (100, 124501), (122, 102050), (130, 95770), (157, 79300), (244, 51025), (260, 47885), (305, 40820), (314, 39650), (325, 38308), (610, 20410), (628, 19825), (650, 19154), (785, 15860), (793, 15700), (1220, 10205), (1300, 9577), (1525, 8164), (1570, 7930), (1586, 7850), (2041, 6100), (3050, 4082), (3140, 3965), (3172, 3925)]