217873380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{499}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 645120000

約数和(自身を除く): 427246620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 383, 499, 570, 766, 998, 1140, 1149, 1497, 1532, 1915, 1996, 2298, 2495, 2994, 3830, 4596, 4990, 5745, 5988, 7277, 7485, 7660, 9481, 9980, 11490, 14554, 14970, 18962, 21831, 22980, 28443, 29108, 29940, 36385, 37924, 43662, 47405, 56886, 72770, 87324, 94810, 109155, 113772, 142215, 145540, 189620, 191117, 218310, 284430, 382234, 436620, 568860, 573351, 764468, 955585, 1146702, 1911170, 2293404, 2866755, 3631223, 3822340, 5733510, 7262446, 10893669, 11467020, 14524892, 18156115, 21787338, 36312230, 43574676, 54468345, 72624460, 108936690, 217873380]

約数ペア:

[(1, 217873380), (2, 108936690), (3, 72624460), (4, 54468345), (5, 43574676), (6, 36312230), (10, 21787338), (12, 18156115), (15, 14524892), (19, 11467020), (20, 10893669), (30, 7262446), (38, 5733510), (57, 3822340), (60, 3631223), (76, 2866755), (95, 2293404), (114, 1911170), (190, 1146702), (228, 955585), (285, 764468), (380, 573351), (383, 568860), (499, 436620), (570, 382234), (766, 284430), (998, 218310), (1140, 191117), (1149, 189620), (1497, 145540), (1532, 142215), (1915, 113772), (1996, 109155), (2298, 94810), (2495, 87324), (2994, 72770), (3830, 56886), (4596, 47405), (4990, 43662), (5745, 37924), (5988, 36385), (7277, 29940), (7485, 29108), (7660, 28443), (9481, 22980), (9980, 21831), (11490, 18962), (14554, 14970)]