1443980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 3338496

約数和(自身を除く): 1894516

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 137, 155, 170, 274, 310, 340, 527, 548, 620, 685, 1054, 1370, 2108, 2329, 2635, 2740, 4247, 4658, 5270, 8494, 9316, 10540, 11645, 16988, 21235, 23290, 42470, 46580, 72199, 84940, 144398, 288796, 360995, 721990, 1443980]

約数ペア:

[(1, 1443980), (2, 721990), (4, 360995), (5, 288796), (10, 144398), (17, 84940), (20, 72199), (31, 46580), (34, 42470), (62, 23290), (68, 21235), (85, 16988), (124, 11645), (137, 10540), (155, 9316), (170, 8494), (274, 5270), (310, 4658), (340, 4247), (527, 2740), (548, 2635), (620, 2329), (685, 2108), (1054, 1370)]