150737500

素因数分解:

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

素因数の和:449

約数の個数: 72

約数和(自身を含む): 341228160

約数和(自身を除く): 190490660

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, 3125, 3875, 3890, 6250, 7750, 7780, 9725, 12059, 12500, 15500, 19375, 19450, 24118, 38750, 38900, 48236, 48625, 60295, 77500, 96875, 97250, 120590, 193750, 194500, 241180, 243125, 301475, 387500, 486250, 602950, 972500, 1205900, 1215625, 1507375, 2431250, 3014750, 4862500, 6029500, 7536875, 15073750, 30147500, 37684375, 75368750, 150737500]

約数ペア:

[(1, 150737500), (2, 75368750), (4, 37684375), (5, 30147500), (10, 15073750), (20, 7536875), (25, 6029500), (31, 4862500), (50, 3014750), (62, 2431250), (100, 1507375), (124, 1215625), (125, 1205900), (155, 972500), (250, 602950), (310, 486250), (389, 387500), (500, 301475), (620, 243125), (625, 241180), (775, 194500), (778, 193750), (1250, 120590), (1550, 97250), (1556, 96875), (1945, 77500), (2500, 60295), (3100, 48625), (3125, 48236), (3875, 38900), (3890, 38750), (6250, 24118), (7750, 19450), (7780, 19375), (9725, 15500), (12059, 12500)]