211154450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 454752144

約数和(自身を除く): 243597694

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 97, 130, 170, 194, 197, 221, 325, 394, 425, 442, 485, 650, 850, 970, 985, 1105, 1261, 1649, 1970, 2210, 2425, 2522, 2561, 3298, 3349, 4850, 4925, 5122, 5525, 6305, 6698, 8245, 9850, 11050, 12610, 12805, 16490, 16745, 19109, 21437, 25610, 31525, 33490, 38218, 41225, 42874, 43537, 63050, 64025, 82450, 83725, 87074, 95545, 107185, 128050, 167450, 191090, 214370, 217685, 248417, 324853, 435370, 477725, 496834, 535925, 649706, 955450, 1071850, 1088425, 1242085, 1624265, 2176850, 2484170, 3248530, 4223089, 6210425, 8121325, 8446178, 12420850, 16242650, 21115445, 42230890, 105577225, 211154450]

約数ペア:

[(1, 211154450), (2, 105577225), (5, 42230890), (10, 21115445), (13, 16242650), (17, 12420850), (25, 8446178), (26, 8121325), (34, 6210425), (50, 4223089), (65, 3248530), (85, 2484170), (97, 2176850), (130, 1624265), (170, 1242085), (194, 1088425), (197, 1071850), (221, 955450), (325, 649706), (394, 535925), (425, 496834), (442, 477725), (485, 435370), (650, 324853), (850, 248417), (970, 217685), (985, 214370), (1105, 191090), (1261, 167450), (1649, 128050), (1970, 107185), (2210, 95545), (2425, 87074), (2522, 83725), (2561, 82450), (3298, 64025), (3349, 63050), (4850, 43537), (4925, 42874), (5122, 41225), (5525, 38218), (6305, 33490), (6698, 31525), (8245, 25610), (9850, 21437), (11050, 19109), (12610, 16745), (12805, 16490)]