84475240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 195858000

約数和(自身を除く): 111382760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 89, 122, 178, 244, 305, 356, 389, 445, 488, 610, 712, 778, 890, 1220, 1556, 1780, 1945, 2440, 3112, 3560, 3890, 5429, 7780, 10858, 15560, 21716, 23729, 27145, 34621, 43432, 47458, 54290, 69242, 94916, 108580, 118645, 138484, 173105, 189832, 217160, 237290, 276968, 346210, 474580, 692420, 949160, 1384840, 2111881, 4223762, 8447524, 10559405, 16895048, 21118810, 42237620, 84475240]

約数ペア:

[(1, 84475240), (2, 42237620), (4, 21118810), (5, 16895048), (8, 10559405), (10, 8447524), (20, 4223762), (40, 2111881), (61, 1384840), (89, 949160), (122, 692420), (178, 474580), (244, 346210), (305, 276968), (356, 237290), (389, 217160), (445, 189832), (488, 173105), (610, 138484), (712, 118645), (778, 108580), (890, 94916), (1220, 69242), (1556, 54290), (1780, 47458), (1945, 43432), (2440, 34621), (3112, 27145), (3560, 23729), (3890, 21716), (5429, 15560), (7780, 10858)]