90807700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 206158680

約数和(自身を除く): 115350980

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 173, 181, 290, 346, 362, 580, 692, 724, 725, 865, 905, 1450, 1730, 1810, 2900, 3460, 3620, 4325, 4525, 5017, 5249, 8650, 9050, 10034, 10498, 17300, 18100, 20068, 20996, 25085, 26245, 31313, 50170, 52490, 62626, 100340, 104980, 125252, 125425, 131225, 156565, 250850, 262450, 313130, 501700, 524900, 626260, 782825, 908077, 1565650, 1816154, 3131300, 3632308, 4540385, 9080770, 18161540, 22701925, 45403850, 90807700]

約数ペア:

[(1, 90807700), (2, 45403850), (4, 22701925), (5, 18161540), (10, 9080770), (20, 4540385), (25, 3632308), (29, 3131300), (50, 1816154), (58, 1565650), (100, 908077), (116, 782825), (145, 626260), (173, 524900), (181, 501700), (290, 313130), (346, 262450), (362, 250850), (580, 156565), (692, 131225), (724, 125425), (725, 125252), (865, 104980), (905, 100340), (1450, 62626), (1730, 52490), (1810, 50170), (2900, 31313), (3460, 26245), (3620, 25085), (4325, 20996), (4525, 20068), (5017, 18100), (5249, 17300), (8650, 10498), (9050, 10034)]