61690000

素因数分解:

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

素因数の和:258

約数の個数: 100

約数和(自身を含む): 154950400

約数和(自身を除く): 93260400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 199, 200, 248, 250, 310, 398, 400, 496, 500, 620, 625, 775, 796, 995, 1000, 1240, 1250, 1550, 1592, 1990, 2000, 2480, 2500, 3100, 3184, 3875, 3980, 4975, 5000, 6169, 6200, 7750, 7960, 9950, 10000, 12338, 12400, 15500, 15920, 19375, 19900, 24676, 24875, 30845, 31000, 38750, 39800, 49352, 49750, 61690, 62000, 77500, 79600, 98704, 99500, 123380, 124375, 154225, 155000, 199000, 246760, 248750, 308450, 310000, 398000, 493520, 497500, 616900, 771125, 995000, 1233800, 1542250, 1990000, 2467600, 3084500, 3855625, 6169000, 7711250, 12338000, 15422500, 30845000, 61690000]

約数ペア:

[(1, 61690000), (2, 30845000), (4, 15422500), (5, 12338000), (8, 7711250), (10, 6169000), (16, 3855625), (20, 3084500), (25, 2467600), (31, 1990000), (40, 1542250), (50, 1233800), (62, 995000), (80, 771125), (100, 616900), (124, 497500), (125, 493520), (155, 398000), (199, 310000), (200, 308450), (248, 248750), (250, 246760), (310, 199000), (398, 155000), (400, 154225), (496, 124375), (500, 123380), (620, 99500), (625, 98704), (775, 79600), (796, 77500), (995, 62000), (1000, 61690), (1240, 49750), (1250, 49352), (1550, 39800), (1592, 38750), (1990, 31000), (2000, 30845), (2480, 24875), (2500, 24676), (3100, 19900), (3184, 19375), (3875, 15920), (3980, 15500), (4975, 12400), (5000, 12338), (6169, 10000), (6200, 9950), (7750, 7960)]