209696250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:505

約数の個数: 80

約数和(自身を含む): 528580800

約数和(自身を除く): 318884550

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 199, 250, 281, 375, 398, 562, 597, 625, 750, 843, 995, 1194, 1250, 1405, 1686, 1875, 1990, 2810, 2985, 3750, 4215, 4975, 5970, 7025, 8430, 9950, 14050, 14925, 21075, 24875, 29850, 35125, 42150, 49750, 55919, 70250, 74625, 105375, 111838, 124375, 149250, 167757, 175625, 210750, 248750, 279595, 335514, 351250, 373125, 526875, 559190, 746250, 838785, 1053750, 1397975, 1677570, 2795950, 4193925, 6989875, 8387850, 13979750, 20969625, 34949375, 41939250, 69898750, 104848125, 209696250]

約数ペア:

[(1, 209696250), (2, 104848125), (3, 69898750), (5, 41939250), (6, 34949375), (10, 20969625), (15, 13979750), (25, 8387850), (30, 6989875), (50, 4193925), (75, 2795950), (125, 1677570), (150, 1397975), (199, 1053750), (250, 838785), (281, 746250), (375, 559190), (398, 526875), (562, 373125), (597, 351250), (625, 335514), (750, 279595), (843, 248750), (995, 210750), (1194, 175625), (1250, 167757), (1405, 149250), (1686, 124375), (1875, 111838), (1990, 105375), (2810, 74625), (2985, 70250), (3750, 55919), (4215, 49750), (4975, 42150), (5970, 35125), (7025, 29850), (8430, 24875), (9950, 21075), (14050, 14925)]