203698980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{10987}}^1$

素因数の和:11105

約数の個数: 72

約数和(自身を含む): 623942592

約数和(自身を除く): 420243612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 10987, 18540, 21974, 32961, 43948, 54935, 65922, 98883, 109870, 131844, 164805, 197766, 219740, 329610, 395532, 494415, 659220, 988830, 1131661, 1977660, 2263322, 3394983, 4526644, 5658305, 6789966, 10184949, 11316610, 13579932, 16974915, 20369898, 22633220, 33949830, 40739796, 50924745, 67899660, 101849490, 203698980]

約数ペア:

[(1, 203698980), (2, 101849490), (3, 67899660), (4, 50924745), (5, 40739796), (6, 33949830), (9, 22633220), (10, 20369898), (12, 16974915), (15, 13579932), (18, 11316610), (20, 10184949), (30, 6789966), (36, 5658305), (45, 4526644), (60, 3394983), (90, 2263322), (103, 1977660), (180, 1131661), (206, 988830), (309, 659220), (412, 494415), (515, 395532), (618, 329610), (927, 219740), (1030, 197766), (1236, 164805), (1545, 131844), (1854, 109870), (2060, 98883), (3090, 65922), (3708, 54935), (4635, 43948), (6180, 32961), (9270, 21974), (10987, 18540)]