1209036890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{9049}}^1$

素因数の和:9518

約数の個数: 32

約数和(自身を含む): 2251929600

約数和(自身を除く): 1042892710

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 431, 862, 2155, 4310, 9049, 13361, 18098, 26722, 45245, 66805, 90490, 133610, 280519, 561038, 1402595, 2805190, 3900119, 7800238, 19500595, 39001190, 120903689, 241807378, 604518445, 1209036890]

約数ペア:

[(1, 1209036890), (2, 604518445), (5, 241807378), (10, 120903689), (31, 39001190), (62, 19500595), (155, 7800238), (310, 3900119), (431, 2805190), (862, 1402595), (2155, 561038), (4310, 280519), (9049, 133610), (13361, 90490), (18098, 66805), (26722, 45245)]