28662060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9749}}^1$

素因数の和:9775

約数の個数: 72

約数和(自身を含む): 93366000

約数和(自身を除く): 64703940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9749, 19498, 29247, 38996, 48745, 58494, 68243, 97490, 116988, 136486, 146235, 194980, 204729, 272972, 292470, 341215, 409458, 477701, 584940, 682430, 818916, 955402, 1023645, 1364860, 1433103, 1910804, 2047290, 2388505, 2866206, 4094580, 4777010, 5732412, 7165515, 9554020, 14331030, 28662060]

約数ペア:

[(1, 28662060), (2, 14331030), (3, 9554020), (4, 7165515), (5, 5732412), (6, 4777010), (7, 4094580), (10, 2866206), (12, 2388505), (14, 2047290), (15, 1910804), (20, 1433103), (21, 1364860), (28, 1023645), (30, 955402), (35, 818916), (42, 682430), (49, 584940), (60, 477701), (70, 409458), (84, 341215), (98, 292470), (105, 272972), (140, 204729), (147, 194980), (196, 146235), (210, 136486), (245, 116988), (294, 97490), (420, 68243), (490, 58494), (588, 48745), (735, 38996), (980, 29247), (1470, 19498), (2940, 9749)]