30147500

素因数分解:

$2^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 60

約数和(自身を含む): 68228160

約数和(自身を除く): 38080660

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 389, 500, 620, 625, 775, 778, 1250, 1550, 1556, 1945, 2500, 3100, 3875, 3890, 7750, 7780, 9725, 12059, 15500, 19375, 19450, 24118, 38750, 38900, 48236, 48625, 60295, 77500, 97250, 120590, 194500, 241180, 243125, 301475, 486250, 602950, 972500, 1205900, 1507375, 3014750, 6029500, 7536875, 15073750, 30147500]

約数ペア:

[(1, 30147500), (2, 15073750), (4, 7536875), (5, 6029500), (10, 3014750), (20, 1507375), (25, 1205900), (31, 972500), (50, 602950), (62, 486250), (100, 301475), (124, 243125), (125, 241180), (155, 194500), (250, 120590), (310, 97250), (389, 77500), (500, 60295), (620, 48625), (625, 48236), (775, 38900), (778, 38750), (1250, 24118), (1550, 19450), (1556, 19375), (1945, 15500), (2500, 12059), (3100, 9725), (3875, 7780), (3890, 7750)]