253943620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{106699}}^1$

素因数の和:106732

約数の個数: 48

約数和(自身を含む): 645321600

約数和(自身を除く): 391377980

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 106699, 213398, 426796, 533495, 746893, 1066990, 1493786, 1813883, 2133980, 2987572, 3627766, 3734465, 7255532, 7468930, 9069415, 12697181, 14937860, 18138830, 25394362, 36277660, 50788724, 63485905, 126971810, 253943620]

約数ペア:

[(1, 253943620), (2, 126971810), (4, 63485905), (5, 50788724), (7, 36277660), (10, 25394362), (14, 18138830), (17, 14937860), (20, 12697181), (28, 9069415), (34, 7468930), (35, 7255532), (68, 3734465), (70, 3627766), (85, 2987572), (119, 2133980), (140, 1813883), (170, 1493786), (238, 1066990), (340, 746893), (476, 533495), (595, 426796), (1190, 213398), (2380, 106699)]