11937700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 27984320

約数和(自身を除く): 16046620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 103, 122, 190, 206, 244, 305, 380, 412, 475, 515, 610, 950, 1030, 1159, 1220, 1525, 1900, 1957, 2060, 2318, 2575, 3050, 3914, 4636, 5150, 5795, 6100, 6283, 7828, 9785, 10300, 11590, 12566, 19570, 23180, 25132, 28975, 31415, 39140, 48925, 57950, 62830, 97850, 115900, 119377, 125660, 157075, 195700, 238754, 314150, 477508, 596885, 628300, 1193770, 2387540, 2984425, 5968850, 11937700]

約数ペア:

[(1, 11937700), (2, 5968850), (4, 2984425), (5, 2387540), (10, 1193770), (19, 628300), (20, 596885), (25, 477508), (38, 314150), (50, 238754), (61, 195700), (76, 157075), (95, 125660), (100, 119377), (103, 115900), (122, 97850), (190, 62830), (206, 57950), (244, 48925), (305, 39140), (380, 31415), (412, 28975), (475, 25132), (515, 23180), (610, 19570), (950, 12566), (1030, 11590), (1159, 10300), (1220, 9785), (1525, 7828), (1900, 6283), (1957, 6100), (2060, 5795), (2318, 5150), (2575, 4636), (3050, 3914)]