272493100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 681956352

約数和(自身を除く): 409463252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 61, 62, 100, 110, 122, 124, 131, 155, 220, 244, 262, 275, 305, 310, 341, 524, 550, 610, 620, 655, 671, 682, 775, 1100, 1220, 1310, 1342, 1364, 1441, 1525, 1550, 1705, 1891, 2620, 2684, 2882, 3050, 3100, 3275, 3355, 3410, 3782, 4061, 5764, 6100, 6550, 6710, 6820, 7205, 7564, 7991, 8122, 8525, 9455, 13100, 13420, 14410, 15982, 16244, 16775, 17050, 18910, 20305, 20801, 28820, 31964, 33550, 34100, 36025, 37820, 39955, 40610, 41602, 44671, 47275, 67100, 72050, 79910, 81220, 83204, 87901, 89342, 94550, 101525, 104005, 144100, 159820, 175802, 178684, 189100, 199775, 203050, 208010, 223355, 247721, 351604, 399550, 406100, 416020, 439505, 446710, 495442, 520025, 799100, 879010, 893420, 990884, 1040050, 1116775, 1238605, 1758020, 2080100, 2197525, 2233550, 2477210, 2724931, 4395050, 4467100, 4954420, 5449862, 6193025, 8790100, 10899724, 12386050, 13624655, 24772100, 27249310, 54498620, 68123275, 136246550, 272493100]

約数ペア:

[(1, 272493100), (2, 136246550), (4, 68123275), (5, 54498620), (10, 27249310), (11, 24772100), (20, 13624655), (22, 12386050), (25, 10899724), (31, 8790100), (44, 6193025), (50, 5449862), (55, 4954420), (61, 4467100), (62, 4395050), (100, 2724931), (110, 2477210), (122, 2233550), (124, 2197525), (131, 2080100), (155, 1758020), (220, 1238605), (244, 1116775), (262, 1040050), (275, 990884), (305, 893420), (310, 879010), (341, 799100), (524, 520025), (550, 495442), (610, 446710), (620, 439505), (655, 416020), (671, 406100), (682, 399550), (775, 351604), (1100, 247721), (1220, 223355), (1310, 208010), (1342, 203050), (1364, 199775), (1441, 189100), (1525, 178684), (1550, 175802), (1705, 159820), (1891, 144100), (2620, 104005), (2684, 101525), (2882, 94550), (3050, 89342), (3100, 87901), (3275, 83204), (3355, 81220), (3410, 79910), (3782, 72050), (4061, 67100), (5764, 47275), (6100, 44671), (6550, 41602), (6710, 40610), (6820, 39955), (7205, 37820), (7564, 36025), (7991, 34100), (8122, 33550), (8525, 31964), (9455, 28820), (13100, 20801), (13420, 20305), (14410, 18910), (15982, 17050), (16244, 16775)]