28828940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12113}}^1$

素因数の和:12146

約数の個数: 48

約数和(自身を含む): 73265472

約数和(自身を除く): 44436532

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12113, 24226, 48452, 60565, 84791, 121130, 169582, 205921, 242260, 339164, 411842, 423955, 823684, 847910, 1029605, 1441447, 1695820, 2059210, 2882894, 4118420, 5765788, 7207235, 14414470, 28828940]

約数ペア:

[(1, 28828940), (2, 14414470), (4, 7207235), (5, 5765788), (7, 4118420), (10, 2882894), (14, 2059210), (17, 1695820), (20, 1441447), (28, 1029605), (34, 847910), (35, 823684), (68, 423955), (70, 411842), (85, 339164), (119, 242260), (140, 205921), (170, 169582), (238, 121130), (340, 84791), (476, 60565), (595, 48452), (1190, 24226), (2380, 12113)]