206502790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1825

約数の個数: 48

約数和(自身を含む): 408403296

約数和(自身を除く): 201900506

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 169, 338, 355, 710, 845, 923, 1690, 1721, 1846, 3442, 4615, 8605, 9230, 11999, 17210, 22373, 23998, 44746, 59995, 111865, 119990, 122191, 223730, 244382, 290849, 581698, 610955, 1221910, 1454245, 1588483, 2908490, 3176966, 7942415, 15884830, 20650279, 41300558, 103251395, 206502790]

約数ペア:

[(1, 206502790), (2, 103251395), (5, 41300558), (10, 20650279), (13, 15884830), (26, 7942415), (65, 3176966), (71, 2908490), (130, 1588483), (142, 1454245), (169, 1221910), (338, 610955), (355, 581698), (710, 290849), (845, 244382), (923, 223730), (1690, 122191), (1721, 119990), (1846, 111865), (3442, 59995), (4615, 44746), (8605, 23998), (9230, 22373), (11999, 17210)]