68418100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 156739968

約数和(自身を除く): 88321868

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 151, 197, 230, 302, 394, 460, 575, 604, 755, 788, 985, 1150, 1510, 1970, 2300, 3020, 3473, 3775, 3940, 4531, 4925, 6946, 7550, 9062, 9850, 13892, 15100, 17365, 18124, 19700, 22655, 29747, 34730, 45310, 59494, 69460, 86825, 90620, 113275, 118988, 148735, 173650, 226550, 297470, 347300, 453100, 594940, 684181, 743675, 1368362, 1487350, 2736724, 2974700, 3420905, 6841810, 13683620, 17104525, 34209050, 68418100]

約数ペア:

[(1, 68418100), (2, 34209050), (4, 17104525), (5, 13683620), (10, 6841810), (20, 3420905), (23, 2974700), (25, 2736724), (46, 1487350), (50, 1368362), (92, 743675), (100, 684181), (115, 594940), (151, 453100), (197, 347300), (230, 297470), (302, 226550), (394, 173650), (460, 148735), (575, 118988), (604, 113275), (755, 90620), (788, 86825), (985, 69460), (1150, 59494), (1510, 45310), (1970, 34730), (2300, 29747), (3020, 22655), (3473, 19700), (3775, 18124), (3940, 17365), (4531, 15100), (4925, 13892), (6946, 9850), (7550, 9062)]