440260436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 974198400

約数和(自身を除く): 533937964

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 199, 242, 308, 398, 484, 653, 796, 847, 1306, 1393, 1694, 2189, 2612, 2786, 3388, 4378, 4571, 5572, 7183, 8756, 9142, 14366, 15323, 18284, 24079, 28732, 30646, 48158, 50281, 61292, 79013, 96316, 100562, 129947, 158026, 168553, 201124, 259894, 316052, 337106, 519788, 553091, 674212, 909629, 1106182, 1429417, 1819258, 2212364, 2858834, 3638516, 5717668, 10005919, 15723587, 20011838, 31447174, 40023676, 62894348, 110065109, 220130218, 440260436]

約数ペア:

[(1, 440260436), (2, 220130218), (4, 110065109), (7, 62894348), (11, 40023676), (14, 31447174), (22, 20011838), (28, 15723587), (44, 10005919), (77, 5717668), (121, 3638516), (154, 2858834), (199, 2212364), (242, 1819258), (308, 1429417), (398, 1106182), (484, 909629), (653, 674212), (796, 553091), (847, 519788), (1306, 337106), (1393, 316052), (1694, 259894), (2189, 201124), (2612, 168553), (2786, 158026), (3388, 129947), (4378, 100562), (4571, 96316), (5572, 79013), (7183, 61292), (8756, 50281), (9142, 48158), (14366, 30646), (15323, 28732), (18284, 24079)]