2650500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 144

約数和(自身を含む): 9085440

約数和(自身を除く): 6434940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 31, 36, 38, 45, 50, 57, 60, 62, 75, 76, 90, 93, 95, 100, 114, 124, 125, 150, 155, 171, 180, 186, 190, 225, 228, 250, 279, 285, 300, 310, 342, 372, 375, 380, 450, 465, 475, 500, 558, 570, 589, 620, 684, 750, 775, 855, 900, 930, 950, 1116, 1125, 1140, 1178, 1395, 1425, 1500, 1550, 1710, 1767, 1860, 1900, 2250, 2325, 2356, 2375, 2790, 2850, 2945, 3100, 3420, 3534, 3875, 4275, 4500, 4650, 4750, 5301, 5580, 5700, 5890, 6975, 7068, 7125, 7750, 8550, 8835, 9300, 9500, 10602, 11625, 11780, 13950, 14250, 14725, 15500, 17100, 17670, 21204, 21375, 23250, 26505, 27900, 28500, 29450, 34875, 35340, 42750, 44175, 46500, 53010, 58900, 69750, 73625, 85500, 88350, 106020, 132525, 139500, 147250, 176700, 220875, 265050, 294500, 441750, 530100, 662625, 883500, 1325250, 2650500]

約数ペア:

[(1, 2650500), (2, 1325250), (3, 883500), (4, 662625), (5, 530100), (6, 441750), (9, 294500), (10, 265050), (12, 220875), (15, 176700), (18, 147250), (19, 139500), (20, 132525), (25, 106020), (30, 88350), (31, 85500), (36, 73625), (38, 69750), (45, 58900), (50, 53010), (57, 46500), (60, 44175), (62, 42750), (75, 35340), (76, 34875), (90, 29450), (93, 28500), (95, 27900), (100, 26505), (114, 23250), (124, 21375), (125, 21204), (150, 17670), (155, 17100), (171, 15500), (180, 14725), (186, 14250), (190, 13950), (225, 11780), (228, 11625), (250, 10602), (279, 9500), (285, 9300), (300, 8835), (310, 8550), (342, 7750), (372, 7125), (375, 7068), (380, 6975), (450, 5890), (465, 5700), (475, 5580), (500, 5301), (558, 4750), (570, 4650), (589, 4500), (620, 4275), (684, 3875), (750, 3534), (775, 3420), (855, 3100), (900, 2945), (930, 2850), (950, 2790), (1116, 2375), (1125, 2356), (1140, 2325), (1178, 2250), (1395, 1900), (1425, 1860), (1500, 1767), (1550, 1710)]