138639900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 463470336

約数和(自身を除く): 324830436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 107, 140, 150, 175, 210, 214, 300, 321, 350, 420, 428, 525, 535, 617, 642, 700, 749, 1050, 1070, 1234, 1284, 1498, 1605, 1851, 2100, 2140, 2247, 2468, 2675, 2996, 3085, 3210, 3702, 3745, 4319, 4494, 5350, 6170, 6420, 7404, 7490, 8025, 8638, 8988, 9255, 10700, 11235, 12340, 12957, 14980, 15425, 16050, 17276, 18510, 18725, 21595, 22470, 25914, 30850, 32100, 37020, 37450, 43190, 44940, 46275, 51828, 56175, 61700, 64785, 66019, 74900, 86380, 92550, 107975, 112350, 129570, 132038, 185100, 198057, 215950, 224700, 259140, 264076, 323925, 330095, 396114, 431900, 462133, 647850, 660190, 792228, 924266, 990285, 1295700, 1320380, 1386399, 1650475, 1848532, 1980570, 2310665, 2772798, 3300950, 3961140, 4621330, 4951425, 5545596, 6601900, 6931995, 9242660, 9902850, 11553325, 13863990, 19805700, 23106650, 27727980, 34659975, 46213300, 69319950, 138639900]

約数ペア:

[(1, 138639900), (2, 69319950), (3, 46213300), (4, 34659975), (5, 27727980), (6, 23106650), (7, 19805700), (10, 13863990), (12, 11553325), (14, 9902850), (15, 9242660), (20, 6931995), (21, 6601900), (25, 5545596), (28, 4951425), (30, 4621330), (35, 3961140), (42, 3300950), (50, 2772798), (60, 2310665), (70, 1980570), (75, 1848532), (84, 1650475), (100, 1386399), (105, 1320380), (107, 1295700), (140, 990285), (150, 924266), (175, 792228), (210, 660190), (214, 647850), (300, 462133), (321, 431900), (350, 396114), (420, 330095), (428, 323925), (525, 264076), (535, 259140), (617, 224700), (642, 215950), (700, 198057), (749, 185100), (1050, 132038), (1070, 129570), (1234, 112350), (1284, 107975), (1498, 92550), (1605, 86380), (1851, 74900), (2100, 66019), (2140, 64785), (2247, 61700), (2468, 56175), (2675, 51828), (2996, 46275), (3085, 44940), (3210, 43190), (3702, 37450), (3745, 37020), (4319, 32100), (4494, 30850), (5350, 25914), (6170, 22470), (6420, 21595), (7404, 18725), (7490, 18510), (8025, 17276), (8638, 16050), (8988, 15425), (9255, 14980), (10700, 12957), (11235, 12340)]