220072970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:959

約数の個数: 64

約数和(自身を含む): 450696960

約数和(自身を除く): 230623990

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 89, 115, 130, 178, 230, 299, 445, 598, 827, 890, 1157, 1495, 1654, 2047, 2314, 2990, 4094, 4135, 5785, 8270, 10235, 10751, 11570, 19021, 20470, 21502, 26611, 38042, 53222, 53755, 73603, 95105, 107510, 133055, 147206, 190210, 247273, 266110, 368015, 494546, 736030, 956839, 1236365, 1692869, 1913678, 2472730, 3385738, 4784195, 8464345, 9568390, 16928690, 22007297, 44014594, 110036485, 220072970]

約数ペア:

[(1, 220072970), (2, 110036485), (5, 44014594), (10, 22007297), (13, 16928690), (23, 9568390), (26, 8464345), (46, 4784195), (65, 3385738), (89, 2472730), (115, 1913678), (130, 1692869), (178, 1236365), (230, 956839), (299, 736030), (445, 494546), (598, 368015), (827, 266110), (890, 247273), (1157, 190210), (1495, 147206), (1654, 133055), (2047, 107510), (2314, 95105), (2990, 73603), (4094, 53755), (4135, 53222), (5785, 38042), (8270, 26611), (10235, 21502), (10751, 20470), (11570, 19021)]