30920380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 68040000

約数和(自身を除く): 37119620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 599, 890, 1198, 1780, 2396, 2581, 2995, 5162, 5990, 10324, 11980, 12905, 17371, 25810, 34742, 51620, 53311, 69484, 86855, 106622, 173710, 213244, 266555, 347420, 533110, 1066220, 1546019, 3092038, 6184076, 7730095, 15460190, 30920380]

約数ペア:

[(1, 30920380), (2, 15460190), (4, 7730095), (5, 6184076), (10, 3092038), (20, 1546019), (29, 1066220), (58, 533110), (89, 347420), (116, 266555), (145, 213244), (178, 173710), (290, 106622), (356, 86855), (445, 69484), (580, 53311), (599, 51620), (890, 34742), (1198, 25810), (1780, 17371), (2396, 12905), (2581, 11980), (2995, 10324), (5162, 5990)]