219614980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{617}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 511281288

約数和(自身を除く): 291666308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 617, 740, 962, 1234, 1369, 1924, 2405, 2468, 2738, 3085, 4810, 5476, 6170, 6845, 8021, 9620, 12340, 13690, 16042, 17797, 22829, 27380, 32084, 35594, 40105, 45658, 71188, 80210, 88985, 91316, 114145, 160420, 177970, 228290, 296777, 355940, 456580, 593554, 844673, 1187108, 1483885, 1689346, 2967770, 3378692, 4223365, 5935540, 8446730, 10980749, 16893460, 21961498, 43922996, 54903745, 109807490, 219614980]

約数ペア:

[(1, 219614980), (2, 109807490), (4, 54903745), (5, 43922996), (10, 21961498), (13, 16893460), (20, 10980749), (26, 8446730), (37, 5935540), (52, 4223365), (65, 3378692), (74, 2967770), (130, 1689346), (148, 1483885), (185, 1187108), (260, 844673), (370, 593554), (481, 456580), (617, 355940), (740, 296777), (962, 228290), (1234, 177970), (1369, 160420), (1924, 114145), (2405, 91316), (2468, 88985), (2738, 80210), (3085, 71188), (4810, 45658), (5476, 40105), (6170, 35594), (6845, 32084), (8021, 27380), (9620, 22829), (12340, 17797), (13690, 16042)]