181163900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1747}}^1$

素因数の和:1839

約数の個数: 72

約数和(自身を含む): 423316656

約数和(自身を除く): 242152756

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 244, 305, 340, 425, 610, 850, 1037, 1220, 1525, 1700, 1747, 2074, 3050, 3494, 4148, 5185, 6100, 6988, 8735, 10370, 17470, 20740, 25925, 29699, 34940, 43675, 51850, 59398, 87350, 103700, 106567, 118796, 148495, 174700, 213134, 296990, 426268, 532835, 593980, 742475, 1065670, 1484950, 1811639, 2131340, 2664175, 2969900, 3623278, 5328350, 7246556, 9058195, 10656700, 18116390, 36232780, 45290975, 90581950, 181163900]

約数ペア:

[(1, 181163900), (2, 90581950), (4, 45290975), (5, 36232780), (10, 18116390), (17, 10656700), (20, 9058195), (25, 7246556), (34, 5328350), (50, 3623278), (61, 2969900), (68, 2664175), (85, 2131340), (100, 1811639), (122, 1484950), (170, 1065670), (244, 742475), (305, 593980), (340, 532835), (425, 426268), (610, 296990), (850, 213134), (1037, 174700), (1220, 148495), (1525, 118796), (1700, 106567), (1747, 103700), (2074, 87350), (3050, 59398), (3494, 51850), (4148, 43675), (5185, 34940), (6100, 29699), (6988, 25925), (8735, 20740), (10370, 17470)]