189885780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{21529}}^1$

素因数の和:21558

約数の個数: 108

約数和(自身を含む): 670056660

約数和(自身を除く): 480170880

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 21529, 43058, 64587, 86116, 107645, 129174, 150703, 193761, 215290, 258348, 301406, 322935, 387522, 430580, 452109, 602812, 645870, 753515, 775044, 904218, 968805, 1054921, 1291740, 1356327, 1507030, 1808436, 1937610, 2109842, 2260545, 2712654, 3014060, 3164763, 3875220, 4219684, 4521090, 5274605, 5425308, 6329526, 6781635, 9042180, 9494289, 10549210, 12659052, 13563270, 15823815, 18988578, 21098420, 27126540, 31647630, 37977156, 47471445, 63295260, 94942890, 189885780]

約数ペア:

[(1, 189885780), (2, 94942890), (3, 63295260), (4, 47471445), (5, 37977156), (6, 31647630), (7, 27126540), (9, 21098420), (10, 18988578), (12, 15823815), (14, 13563270), (15, 12659052), (18, 10549210), (20, 9494289), (21, 9042180), (28, 6781635), (30, 6329526), (35, 5425308), (36, 5274605), (42, 4521090), (45, 4219684), (49, 3875220), (60, 3164763), (63, 3014060), (70, 2712654), (84, 2260545), (90, 2109842), (98, 1937610), (105, 1808436), (126, 1507030), (140, 1356327), (147, 1291740), (180, 1054921), (196, 968805), (210, 904218), (245, 775044), (252, 753515), (294, 645870), (315, 602812), (420, 452109), (441, 430580), (490, 387522), (588, 322935), (630, 301406), (735, 258348), (882, 215290), (980, 193761), (1260, 150703), (1470, 129174), (1764, 107645), (2205, 86116), (2940, 64587), (4410, 43058), (8820, 21529)]