251291340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73477}}^1$

素因数の和:73511

約数の個数: 72

約数和(自身を含む): 802379760

約数和(自身を除く): 551088420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 73477, 146954, 220431, 293908, 367385, 440862, 661293, 734770, 881724, 1102155, 1322586, 1396063, 1469540, 2204310, 2645172, 2792126, 3306465, 4188189, 4408620, 5584252, 6612930, 6980315, 8376378, 12564567, 13225860, 13960630, 16752756, 20940945, 25129134, 27921260, 41881890, 50258268, 62822835, 83763780, 125645670, 251291340]

約数ペア:

[(1, 251291340), (2, 125645670), (3, 83763780), (4, 62822835), (5, 50258268), (6, 41881890), (9, 27921260), (10, 25129134), (12, 20940945), (15, 16752756), (18, 13960630), (19, 13225860), (20, 12564567), (30, 8376378), (36, 6980315), (38, 6612930), (45, 5584252), (57, 4408620), (60, 4188189), (76, 3306465), (90, 2792126), (95, 2645172), (114, 2204310), (171, 1469540), (180, 1396063), (190, 1322586), (228, 1102155), (285, 881724), (342, 734770), (380, 661293), (570, 440862), (684, 367385), (855, 293908), (1140, 220431), (1710, 146954), (3420, 73477)]