157039220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 369847296

約数和(自身を除く): 212808076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 71, 94, 130, 142, 181, 188, 235, 260, 284, 355, 362, 470, 611, 710, 724, 905, 923, 940, 1222, 1420, 1810, 1846, 2353, 2444, 3055, 3337, 3620, 3692, 4615, 4706, 6110, 6674, 8507, 9230, 9412, 11765, 12220, 12851, 13348, 16685, 17014, 18460, 23530, 25702, 33370, 34028, 42535, 43381, 47060, 51404, 64255, 66740, 85070, 86762, 110591, 128510, 167063, 170140, 173524, 216905, 221182, 257020, 334126, 433810, 442364, 552955, 603997, 668252, 835315, 867620, 1105910, 1207994, 1670630, 2211820, 2415988, 3019985, 3341260, 6039970, 7851961, 12079940, 15703922, 31407844, 39259805, 78519610, 157039220]

約数ペア:

[(1, 157039220), (2, 78519610), (4, 39259805), (5, 31407844), (10, 15703922), (13, 12079940), (20, 7851961), (26, 6039970), (47, 3341260), (52, 3019985), (65, 2415988), (71, 2211820), (94, 1670630), (130, 1207994), (142, 1105910), (181, 867620), (188, 835315), (235, 668252), (260, 603997), (284, 552955), (355, 442364), (362, 433810), (470, 334126), (611, 257020), (710, 221182), (724, 216905), (905, 173524), (923, 170140), (940, 167063), (1222, 128510), (1420, 110591), (1810, 86762), (1846, 85070), (2353, 66740), (2444, 64255), (3055, 51404), (3337, 47060), (3620, 43381), (3692, 42535), (4615, 34028), (4706, 33370), (6110, 25702), (6674, 23530), (8507, 18460), (9230, 17014), (9412, 16685), (11765, 13348), (12220, 12851)]