420199450450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4721}}^1\times {\mathrm{7207}}^1$

素因数の和:11972

約数の個数: 96

約数和(自身を含む): 886302023040

約数和(自身を除く): 466102572590

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 4721, 6175, 7207, 9442, 12350, 14414, 23605, 36035, 47210, 61373, 72070, 89699, 93691, 118025, 122746, 136933, 179398, 180175, 187382, 236050, 273866, 306865, 360350, 448495, 468455, 613730, 684665, 896990, 936910, 1166087, 1369330, 1534325, 1780129, 2242475, 2332174, 2342275, 3068650, 3423325, 3560258, 4484950, 4684550, 5830435, 6846650, 8900645, 11660870, 17801290, 29152175, 34024247, 44503225, 58304350, 68048494, 89006450, 170121235, 340242470, 442315211, 646460693, 850606175, 884630422, 1292921386, 1701212350, 2211576055, 3232303465, 4423152110, 6464606930, 8403989009, 11057880275, 16161517325, 16807978018, 22115760550, 32323034650, 42019945045, 84039890090, 210099725225, 420199450450]

約数ペア:

[(1, 420199450450), (2, 210099725225), (5, 84039890090), (10, 42019945045), (13, 32323034650), (19, 22115760550), (25, 16807978018), (26, 16161517325), (38, 11057880275), (50, 8403989009), (65, 6464606930), (95, 4423152110), (130, 3232303465), (190, 2211576055), (247, 1701212350), (325, 1292921386), (475, 884630422), (494, 850606175), (650, 646460693), (950, 442315211), (1235, 340242470), (2470, 170121235), (4721, 89006450), (6175, 68048494), (7207, 58304350), (9442, 44503225), (12350, 34024247), (14414, 29152175), (23605, 17801290), (36035, 11660870), (47210, 8900645), (61373, 6846650), (72070, 5830435), (89699, 4684550), (93691, 4484950), (118025, 3560258), (122746, 3423325), (136933, 3068650), (179398, 2342275), (180175, 2332174), (187382, 2242475), (236050, 1780129), (273866, 1534325), (306865, 1369330), (360350, 1166087), (448495, 936910), (468455, 896990), (613730, 684665)]