17996970460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{739}}^1\times {\mathrm{883}}^1$

素因数の和:1835

約数の個数: 96

約数和(自身を含む): 43519956480

約数和(自身を除く): 25522986020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 739, 788, 883, 985, 1379, 1478, 1766, 1970, 2758, 2956, 3532, 3695, 3940, 4415, 5173, 5516, 6181, 6895, 7390, 8830, 10346, 12362, 13790, 14780, 17660, 20692, 24724, 25865, 27580, 30905, 51730, 61810, 103460, 123620, 145583, 173951, 291166, 347902, 582332, 652537, 695804, 727915, 869755, 1019081, 1217657, 1305074, 1455830, 1739510, 2038162, 2435314, 2610148, 2911660, 3262685, 3479020, 4076324, 4567759, 4870628, 5095405, 6088285, 6525370, 9135518, 10190810, 12176570, 13050740, 18271036, 20381620, 22838795, 24353140, 45677590, 91355180, 128549789, 257099578, 514199156, 642748945, 899848523, 1285497890, 1799697046, 2570995780, 3599394092, 4499242615, 8998485230, 17996970460]

約数ペア:

[(1, 17996970460), (2, 8998485230), (4, 4499242615), (5, 3599394092), (7, 2570995780), (10, 1799697046), (14, 1285497890), (20, 899848523), (28, 642748945), (35, 514199156), (70, 257099578), (140, 128549789), (197, 91355180), (394, 45677590), (739, 24353140), (788, 22838795), (883, 20381620), (985, 18271036), (1379, 13050740), (1478, 12176570), (1766, 10190810), (1970, 9135518), (2758, 6525370), (2956, 6088285), (3532, 5095405), (3695, 4870628), (3940, 4567759), (4415, 4076324), (5173, 3479020), (5516, 3262685), (6181, 2911660), (6895, 2610148), (7390, 2435314), (8830, 2038162), (10346, 1739510), (12362, 1455830), (13790, 1305074), (14780, 1217657), (17660, 1019081), (20692, 869755), (24724, 727915), (25865, 695804), (27580, 652537), (30905, 582332), (51730, 347902), (61810, 291166), (103460, 173951), (123620, 145583)]