128971700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 341228160

約数和(自身を除く): 212256460

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 29, 44, 50, 52, 55, 58, 65, 100, 110, 116, 130, 143, 145, 220, 260, 275, 286, 290, 311, 319, 325, 377, 550, 572, 580, 622, 638, 650, 715, 725, 754, 1100, 1244, 1276, 1300, 1430, 1450, 1508, 1555, 1595, 1885, 2860, 2900, 3110, 3190, 3421, 3575, 3770, 4043, 4147, 6220, 6380, 6842, 7150, 7540, 7775, 7975, 8086, 8294, 9019, 9425, 13684, 14300, 15550, 15950, 16172, 16588, 17105, 18038, 18850, 20215, 20735, 31100, 31900, 34210, 36076, 37700, 40430, 41470, 44473, 45095, 68420, 80860, 82940, 85525, 88946, 90190, 99209, 101075, 103675, 117247, 171050, 177892, 180380, 198418, 202150, 207350, 222365, 225475, 234494, 342100, 396836, 404300, 414700, 444730, 450950, 468988, 496045, 586235, 889460, 901900, 992090, 1111825, 1172470, 1289717, 1984180, 2223650, 2344940, 2480225, 2579434, 2931175, 4447300, 4960450, 5158868, 5862350, 6448585, 9920900, 11724700, 12897170, 25794340, 32242925, 64485850, 128971700]

約数ペア:

[(1, 128971700), (2, 64485850), (4, 32242925), (5, 25794340), (10, 12897170), (11, 11724700), (13, 9920900), (20, 6448585), (22, 5862350), (25, 5158868), (26, 4960450), (29, 4447300), (44, 2931175), (50, 2579434), (52, 2480225), (55, 2344940), (58, 2223650), (65, 1984180), (100, 1289717), (110, 1172470), (116, 1111825), (130, 992090), (143, 901900), (145, 889460), (220, 586235), (260, 496045), (275, 468988), (286, 450950), (290, 444730), (311, 414700), (319, 404300), (325, 396836), (377, 342100), (550, 234494), (572, 225475), (580, 222365), (622, 207350), (638, 202150), (650, 198418), (715, 180380), (725, 177892), (754, 171050), (1100, 117247), (1244, 103675), (1276, 101075), (1300, 99209), (1430, 90190), (1450, 88946), (1508, 85525), (1555, 82940), (1595, 80860), (1885, 68420), (2860, 45095), (2900, 44473), (3110, 41470), (3190, 40430), (3421, 37700), (3575, 36076), (3770, 34210), (4043, 31900), (4147, 31100), (6220, 20735), (6380, 20215), (6842, 18850), (7150, 18038), (7540, 17105), (7775, 16588), (7975, 16172), (8086, 15950), (8294, 15550), (9019, 14300), (9425, 13684)]