200492500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 489843200

約数和(自身を除く): 289350700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 125, 130, 155, 199, 250, 260, 310, 325, 398, 403, 500, 620, 625, 650, 775, 796, 806, 995, 1250, 1300, 1550, 1612, 1625, 1990, 2015, 2500, 2587, 3100, 3250, 3875, 3980, 4030, 4975, 5174, 6169, 6500, 7750, 8060, 8125, 9950, 10075, 10348, 12338, 12935, 15500, 16250, 19375, 19900, 20150, 24676, 24875, 25870, 30845, 32500, 38750, 40300, 49750, 50375, 51740, 61690, 64675, 77500, 80197, 99500, 100750, 123380, 124375, 129350, 154225, 160394, 201500, 248750, 251875, 258700, 308450, 320788, 323375, 400985, 497500, 503750, 616900, 646750, 771125, 801970, 1007500, 1293500, 1542250, 1603940, 1616875, 2004925, 3084500, 3233750, 3855625, 4009850, 6467500, 7711250, 8019700, 10024625, 15422500, 20049250, 40098500, 50123125, 100246250, 200492500]

約数ペア:

[(1, 200492500), (2, 100246250), (4, 50123125), (5, 40098500), (10, 20049250), (13, 15422500), (20, 10024625), (25, 8019700), (26, 7711250), (31, 6467500), (50, 4009850), (52, 3855625), (62, 3233750), (65, 3084500), (100, 2004925), (124, 1616875), (125, 1603940), (130, 1542250), (155, 1293500), (199, 1007500), (250, 801970), (260, 771125), (310, 646750), (325, 616900), (398, 503750), (403, 497500), (500, 400985), (620, 323375), (625, 320788), (650, 308450), (775, 258700), (796, 251875), (806, 248750), (995, 201500), (1250, 160394), (1300, 154225), (1550, 129350), (1612, 124375), (1625, 123380), (1990, 100750), (2015, 99500), (2500, 80197), (2587, 77500), (3100, 64675), (3250, 61690), (3875, 51740), (3980, 50375), (4030, 49750), (4975, 40300), (5174, 38750), (6169, 32500), (6500, 30845), (7750, 25870), (8060, 24875), (8125, 24676), (9950, 20150), (10075, 19900), (10348, 19375), (12338, 16250), (12935, 15500)]