1388856870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{2143}}^1$

素因数の和:2554

約数の個数: 96

約数和(自身を含む): 3812889600

約数和(自身を除く): 2424032730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 379, 570, 758, 855, 1137, 1710, 1895, 2143, 2274, 3411, 3790, 4286, 5685, 6429, 6822, 7201, 10715, 11370, 12858, 14402, 17055, 19287, 21430, 21603, 32145, 34110, 36005, 38574, 40717, 43206, 64290, 64809, 72010, 81434, 96435, 108015, 122151, 129618, 192870, 203585, 216030, 244302, 324045, 366453, 407170, 610755, 648090, 732906, 812197, 1221510, 1624394, 1832265, 2436591, 3664530, 4060985, 4873182, 7309773, 8121970, 12182955, 14619546, 15431743, 24365910, 30863486, 36548865, 46295229, 73097730, 77158715, 92590458, 138885687, 154317430, 231476145, 277771374, 462952290, 694428435, 1388856870]

約数ペア:

[(1, 1388856870), (2, 694428435), (3, 462952290), (5, 277771374), (6, 231476145), (9, 154317430), (10, 138885687), (15, 92590458), (18, 77158715), (19, 73097730), (30, 46295229), (38, 36548865), (45, 30863486), (57, 24365910), (90, 15431743), (95, 14619546), (114, 12182955), (171, 8121970), (190, 7309773), (285, 4873182), (342, 4060985), (379, 3664530), (570, 2436591), (758, 1832265), (855, 1624394), (1137, 1221510), (1710, 812197), (1895, 732906), (2143, 648090), (2274, 610755), (3411, 407170), (3790, 366453), (4286, 324045), (5685, 244302), (6429, 216030), (6822, 203585), (7201, 192870), (10715, 129618), (11370, 122151), (12858, 108015), (14402, 96435), (17055, 81434), (19287, 72010), (21430, 64809), (21603, 64290), (32145, 43206), (34110, 40717), (36005, 38574)]