420157764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2083}}^1$

素因数の和:2537

約数の個数: 72

約数和(自身を含む): 1146966912

約数和(自身を除く): 726809148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 431, 468, 862, 1293, 1724, 2083, 2586, 3879, 4166, 5172, 5603, 6249, 7758, 8332, 11206, 12498, 15516, 16809, 18747, 22412, 24996, 27079, 33618, 37494, 50427, 54158, 67236, 74988, 81237, 100854, 108316, 162474, 201708, 243711, 324948, 487422, 897773, 974844, 1795546, 2693319, 3591092, 5386638, 8079957, 10773276, 11671049, 16159914, 23342098, 32319828, 35013147, 46684196, 70026294, 105039441, 140052588, 210078882, 420157764]

約数ペア:

[(1, 420157764), (2, 210078882), (3, 140052588), (4, 105039441), (6, 70026294), (9, 46684196), (12, 35013147), (13, 32319828), (18, 23342098), (26, 16159914), (36, 11671049), (39, 10773276), (52, 8079957), (78, 5386638), (117, 3591092), (156, 2693319), (234, 1795546), (431, 974844), (468, 897773), (862, 487422), (1293, 324948), (1724, 243711), (2083, 201708), (2586, 162474), (3879, 108316), (4166, 100854), (5172, 81237), (5603, 74988), (6249, 67236), (7758, 54158), (8332, 50427), (11206, 37494), (12498, 33618), (15516, 27079), (16809, 24996), (18747, 22412)]