26451990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:562

約数の個数: 96

約数和(自身を含む): 74880000

約数和(自身を除く): 48428010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 31, 38, 45, 57, 62, 90, 93, 95, 114, 155, 171, 186, 190, 279, 285, 310, 342, 465, 499, 558, 570, 589, 855, 930, 998, 1178, 1395, 1497, 1710, 1767, 2495, 2790, 2945, 2994, 3534, 4491, 4990, 5301, 5890, 7485, 8835, 8982, 9481, 10602, 14970, 15469, 17670, 18962, 22455, 26505, 28443, 30938, 44910, 46407, 47405, 53010, 56886, 77345, 85329, 92814, 94810, 139221, 142215, 154690, 170658, 232035, 278442, 284430, 293911, 426645, 464070, 587822, 696105, 853290, 881733, 1392210, 1469555, 1763466, 2645199, 2939110, 4408665, 5290398, 8817330, 13225995, 26451990]

約数ペア:

[(1, 26451990), (2, 13225995), (3, 8817330), (5, 5290398), (6, 4408665), (9, 2939110), (10, 2645199), (15, 1763466), (18, 1469555), (19, 1392210), (30, 881733), (31, 853290), (38, 696105), (45, 587822), (57, 464070), (62, 426645), (90, 293911), (93, 284430), (95, 278442), (114, 232035), (155, 170658), (171, 154690), (186, 142215), (190, 139221), (279, 94810), (285, 92814), (310, 85329), (342, 77345), (465, 56886), (499, 53010), (558, 47405), (570, 46407), (589, 44910), (855, 30938), (930, 28443), (998, 26505), (1178, 22455), (1395, 18962), (1497, 17670), (1710, 15469), (1767, 14970), (2495, 10602), (2790, 9481), (2945, 8982), (2994, 8835), (3534, 7485), (4491, 5890), (4990, 5301)]