289968900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 911400000

約数和(自身を除く): 621431100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 149, 150, 156, 195, 260, 298, 300, 325, 390, 447, 499, 596, 650, 745, 780, 894, 975, 998, 1300, 1490, 1497, 1788, 1937, 1950, 1996, 2235, 2495, 2980, 2994, 3725, 3874, 3900, 4470, 4990, 5811, 5988, 6487, 7450, 7485, 7748, 8940, 9685, 9980, 11175, 11622, 12475, 12974, 14900, 14970, 19370, 19461, 22350, 23244, 24950, 25948, 29055, 29940, 32435, 37425, 38740, 38922, 44700, 48425, 49900, 58110, 64870, 74351, 74850, 77844, 96850, 97305, 116220, 129740, 145275, 148702, 149700, 162175, 193700, 194610, 223053, 290550, 297404, 324350, 371755, 389220, 446106, 486525, 581100, 648700, 743510, 892212, 966563, 973050, 1115265, 1487020, 1858775, 1933126, 1946100, 2230530, 2899689, 3717550, 3866252, 4461060, 4832815, 5576325, 5799378, 7435100, 9665630, 11152650, 11598756, 14498445, 19331260, 22305300, 24164075, 28996890, 48328150, 57993780, 72492225, 96656300, 144984450, 289968900]

約数ペア:

[(1, 289968900), (2, 144984450), (3, 96656300), (4, 72492225), (5, 57993780), (6, 48328150), (10, 28996890), (12, 24164075), (13, 22305300), (15, 19331260), (20, 14498445), (25, 11598756), (26, 11152650), (30, 9665630), (39, 7435100), (50, 5799378), (52, 5576325), (60, 4832815), (65, 4461060), (75, 3866252), (78, 3717550), (100, 2899689), (130, 2230530), (149, 1946100), (150, 1933126), (156, 1858775), (195, 1487020), (260, 1115265), (298, 973050), (300, 966563), (325, 892212), (390, 743510), (447, 648700), (499, 581100), (596, 486525), (650, 446106), (745, 389220), (780, 371755), (894, 324350), (975, 297404), (998, 290550), (1300, 223053), (1490, 194610), (1497, 193700), (1788, 162175), (1937, 149700), (1950, 148702), (1996, 145275), (2235, 129740), (2495, 116220), (2980, 97305), (2994, 96850), (3725, 77844), (3874, 74850), (3900, 74351), (4470, 64870), (4990, 58110), (5811, 49900), (5988, 48425), (6487, 44700), (7450, 38922), (7485, 38740), (7748, 37425), (8940, 32435), (9685, 29940), (9980, 29055), (11175, 25948), (11622, 24950), (12475, 23244), (12974, 22350), (14900, 19461), (14970, 19370)]