220195790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 432967680

約数和(自身を除く): 212771890

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 89, 115, 155, 178, 230, 310, 347, 445, 694, 713, 890, 1426, 1735, 2047, 2759, 3470, 3565, 4094, 5518, 7130, 7981, 10235, 10757, 13795, 15962, 20470, 21514, 27590, 30883, 39905, 53785, 61766, 63457, 79810, 107570, 126914, 154415, 247411, 308830, 317285, 494822, 634570, 710309, 957373, 1237055, 1420618, 1914746, 2474110, 3551545, 4786865, 7103090, 9573730, 22019579, 44039158, 110097895, 220195790]

約数ペア:

[(1, 220195790), (2, 110097895), (5, 44039158), (10, 22019579), (23, 9573730), (31, 7103090), (46, 4786865), (62, 3551545), (89, 2474110), (115, 1914746), (155, 1420618), (178, 1237055), (230, 957373), (310, 710309), (347, 634570), (445, 494822), (694, 317285), (713, 308830), (890, 247411), (1426, 154415), (1735, 126914), (2047, 107570), (2759, 79810), (3470, 63457), (3565, 61766), (4094, 53785), (5518, 39905), (7130, 30883), (7981, 27590), (10235, 21514), (10757, 20470), (13795, 15962)]