31914500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 43564540

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 71, 100, 116, 124, 125, 142, 145, 155, 250, 284, 290, 310, 355, 500, 580, 620, 710, 725, 775, 899, 1420, 1450, 1550, 1775, 1798, 2059, 2201, 2900, 3100, 3550, 3596, 3625, 3875, 4118, 4402, 4495, 7100, 7250, 7750, 8236, 8804, 8875, 8990, 10295, 11005, 14500, 15500, 17750, 17980, 20590, 22010, 22475, 35500, 41180, 44020, 44950, 51475, 55025, 63829, 89900, 102950, 110050, 112375, 127658, 205900, 220100, 224750, 255316, 257375, 275125, 319145, 449500, 514750, 550250, 638290, 1029500, 1100500, 1276580, 1595725, 3191450, 6382900, 7978625, 15957250, 31914500]

約数ペア:

[(1, 31914500), (2, 15957250), (4, 7978625), (5, 6382900), (10, 3191450), (20, 1595725), (25, 1276580), (29, 1100500), (31, 1029500), (50, 638290), (58, 550250), (62, 514750), (71, 449500), (100, 319145), (116, 275125), (124, 257375), (125, 255316), (142, 224750), (145, 220100), (155, 205900), (250, 127658), (284, 112375), (290, 110050), (310, 102950), (355, 89900), (500, 63829), (580, 55025), (620, 51475), (710, 44950), (725, 44020), (775, 41180), (899, 35500), (1420, 22475), (1450, 22010), (1550, 20590), (1775, 17980), (1798, 17750), (2059, 15500), (2201, 14500), (2900, 11005), (3100, 10295), (3550, 8990), (3596, 8875), (3625, 8804), (3875, 8236), (4118, 7750), (4402, 7250), (4495, 7100)]