28763150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 64683360

約数和(自身を除く): 35920210

約数列:

[1, 2, 5, 10, 13, 17, 19, 25, 26, 34, 38, 50, 65, 85, 95, 130, 137, 170, 190, 221, 247, 274, 323, 325, 425, 442, 475, 494, 646, 650, 685, 850, 950, 1105, 1235, 1370, 1615, 1781, 2210, 2329, 2470, 2603, 3230, 3425, 3562, 4199, 4658, 5206, 5525, 6175, 6850, 8075, 8398, 8905, 11050, 11645, 12350, 13015, 16150, 17810, 20995, 23290, 26030, 30277, 33839, 41990, 44251, 44525, 58225, 60554, 65075, 67678, 88502, 89050, 104975, 116450, 130150, 151385, 169195, 209950, 221255, 302770, 338390, 442510, 575263, 756925, 845975, 1106275, 1150526, 1513850, 1691950, 2212550, 2876315, 5752630, 14381575, 28763150]

約数ペア:

[(1, 28763150), (2, 14381575), (5, 5752630), (10, 2876315), (13, 2212550), (17, 1691950), (19, 1513850), (25, 1150526), (26, 1106275), (34, 845975), (38, 756925), (50, 575263), (65, 442510), (85, 338390), (95, 302770), (130, 221255), (137, 209950), (170, 169195), (190, 151385), (221, 130150), (247, 116450), (274, 104975), (323, 89050), (325, 88502), (425, 67678), (442, 65075), (475, 60554), (494, 58225), (646, 44525), (650, 44251), (685, 41990), (850, 33839), (950, 30277), (1105, 26030), (1235, 23290), (1370, 20995), (1615, 17810), (1781, 16150), (2210, 13015), (2329, 12350), (2470, 11645), (2603, 11050), (3230, 8905), (3425, 8398), (3562, 8075), (4199, 6850), (4658, 6175), (5206, 5525)]