161943650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15497}}^1$

素因数の和:15539

約数の個数: 48

約数和(自身を含む): 345915360

約数和(自身を除く): 183971710

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 10450, 15497, 30994, 77485, 154970, 170467, 294443, 340934, 387425, 588886, 774850, 852335, 1472215, 1704670, 2944430, 3238873, 4261675, 6477746, 7361075, 8523350, 14722150, 16194365, 32388730, 80971825, 161943650]

約数ペア:

[(1, 161943650), (2, 80971825), (5, 32388730), (10, 16194365), (11, 14722150), (19, 8523350), (22, 7361075), (25, 6477746), (38, 4261675), (50, 3238873), (55, 2944430), (95, 1704670), (110, 1472215), (190, 852335), (209, 774850), (275, 588886), (418, 387425), (475, 340934), (550, 294443), (950, 170467), (1045, 154970), (2090, 77485), (5225, 30994), (10450, 15497)]