174721580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 444019968

約数和(自身を除く): 269298388

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 121, 124, 137, 155, 170, 187, 220, 242, 274, 310, 340, 341, 374, 484, 527, 548, 605, 620, 682, 685, 748, 935, 1054, 1210, 1364, 1370, 1507, 1705, 1870, 2057, 2108, 2329, 2420, 2635, 2740, 3014, 3410, 3740, 3751, 4114, 4247, 4658, 5270, 5797, 6028, 6820, 7502, 7535, 8228, 8494, 9316, 10285, 10540, 11594, 11645, 15004, 15070, 16577, 16988, 18755, 20570, 21235, 23188, 23290, 25619, 28985, 30140, 33154, 37510, 41140, 42470, 46580, 46717, 51238, 57970, 63767, 66308, 72199, 75020, 82885, 84940, 93434, 102476, 115940, 127534, 128095, 144398, 165770, 186868, 233585, 255068, 256190, 281809, 288796, 318835, 331540, 360995, 467170, 512380, 513887, 563618, 637670, 721990, 794189, 934340, 1027774, 1127236, 1275340, 1409045, 1443980, 1588378, 2055548, 2569435, 2818090, 3176756, 3970945, 5138870, 5636180, 7941890, 8736079, 10277740, 15883780, 17472158, 34944316, 43680395, 87360790, 174721580]

約数ペア:

[(1, 174721580), (2, 87360790), (4, 43680395), (5, 34944316), (10, 17472158), (11, 15883780), (17, 10277740), (20, 8736079), (22, 7941890), (31, 5636180), (34, 5138870), (44, 3970945), (55, 3176756), (62, 2818090), (68, 2569435), (85, 2055548), (110, 1588378), (121, 1443980), (124, 1409045), (137, 1275340), (155, 1127236), (170, 1027774), (187, 934340), (220, 794189), (242, 721990), (274, 637670), (310, 563618), (340, 513887), (341, 512380), (374, 467170), (484, 360995), (527, 331540), (548, 318835), (605, 288796), (620, 281809), (682, 256190), (685, 255068), (748, 233585), (935, 186868), (1054, 165770), (1210, 144398), (1364, 128095), (1370, 127534), (1507, 115940), (1705, 102476), (1870, 93434), (2057, 84940), (2108, 82885), (2329, 75020), (2420, 72199), (2635, 66308), (2740, 63767), (3014, 57970), (3410, 51238), (3740, 46717), (3751, 46580), (4114, 42470), (4247, 41140), (4658, 37510), (5270, 33154), (5797, 30140), (6028, 28985), (6820, 25619), (7502, 23290), (7535, 23188), (8228, 21235), (8494, 20570), (9316, 18755), (10285, 16988), (10540, 16577), (11594, 15070), (11645, 15004)]