129509240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5197}}^1$

素因数の和:5304

約数の個数: 64

約数和(自身を含む): 336830400

約数和(自身を除く): 207321160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 5197, 6230, 10394, 12460, 20788, 24920, 25985, 36379, 41576, 51970, 72758, 103940, 145516, 181895, 207880, 291032, 363790, 462533, 727580, 925066, 1455160, 1850132, 2312665, 3237731, 3700264, 4625330, 6475462, 9250660, 12950924, 16188655, 18501320, 25901848, 32377310, 64754620, 129509240]

約数ペア:

[(1, 129509240), (2, 64754620), (4, 32377310), (5, 25901848), (7, 18501320), (8, 16188655), (10, 12950924), (14, 9250660), (20, 6475462), (28, 4625330), (35, 3700264), (40, 3237731), (56, 2312665), (70, 1850132), (89, 1455160), (140, 925066), (178, 727580), (280, 462533), (356, 363790), (445, 291032), (623, 207880), (712, 181895), (890, 145516), (1246, 103940), (1780, 72758), (2492, 51970), (3115, 41576), (3560, 36379), (4984, 25985), (5197, 24920), (6230, 20788), (10394, 12460)]