91047620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 212889600

約数和(自身を除く): 121841980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 59, 62, 76, 95, 118, 124, 131, 155, 190, 236, 262, 295, 310, 380, 524, 589, 590, 620, 655, 1121, 1178, 1180, 1310, 1829, 2242, 2356, 2489, 2620, 2945, 3658, 4061, 4484, 4978, 5605, 5890, 7316, 7729, 8122, 9145, 9956, 11210, 11780, 12445, 15458, 16244, 18290, 20305, 22420, 24890, 30916, 34751, 36580, 38645, 40610, 49780, 69502, 77159, 77290, 81220, 139004, 146851, 154318, 154580, 173755, 239599, 293702, 308636, 347510, 385795, 479198, 587404, 695020, 734255, 771590, 958396, 1197995, 1468510, 1543180, 2395990, 2937020, 4552381, 4791980, 9104762, 18209524, 22761905, 45523810, 91047620]

約数ペア:

[(1, 91047620), (2, 45523810), (4, 22761905), (5, 18209524), (10, 9104762), (19, 4791980), (20, 4552381), (31, 2937020), (38, 2395990), (59, 1543180), (62, 1468510), (76, 1197995), (95, 958396), (118, 771590), (124, 734255), (131, 695020), (155, 587404), (190, 479198), (236, 385795), (262, 347510), (295, 308636), (310, 293702), (380, 239599), (524, 173755), (589, 154580), (590, 154318), (620, 146851), (655, 139004), (1121, 81220), (1178, 77290), (1180, 77159), (1310, 69502), (1829, 49780), (2242, 40610), (2356, 38645), (2489, 36580), (2620, 34751), (2945, 30916), (3658, 24890), (4061, 22420), (4484, 20305), (4978, 18290), (5605, 16244), (5890, 15458), (7316, 12445), (7729, 11780), (8122, 11210), (9145, 9956)]