20199892500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{431}}^1\times {\mathrm{2083}}^1$

素因数の和:2544

約数の個数: 180

約数和(自身を含む): 63984368448

約数和(自身を除く): 43784475948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 431, 450, 500, 625, 750, 862, 900, 1125, 1250, 1293, 1500, 1724, 1875, 2083, 2155, 2250, 2500, 2586, 3750, 3879, 4166, 4310, 4500, 5172, 5625, 6249, 6465, 7500, 7758, 8332, 8620, 10415, 10775, 11250, 12498, 12930, 15516, 18747, 19395, 20830, 21550, 22500, 24996, 25860, 31245, 32325, 37494, 38790, 41660, 43100, 52075, 53875, 62490, 64650, 74988, 77580, 93735, 96975, 104150, 107750, 124980, 129300, 156225, 161625, 187470, 193950, 208300, 215500, 260375, 269375, 312450, 323250, 374940, 387900, 468675, 484875, 520750, 538750, 624900, 646500, 781125, 808125, 897773, 937350, 969750, 1041500, 1077500, 1301875, 1562250, 1616250, 1795546, 1874700, 1939500, 2343375, 2424375, 2603750, 2693319, 3124500, 3232500, 3591092, 3905625, 4488865, 4686750, 4848750, 5207500, 5386638, 7811250, 8079957, 8977730, 9373500, 9697500, 10773276, 11716875, 13466595, 15622500, 16159914, 17955460, 22444325, 23433750, 26933190, 32319828, 40399785, 44888650, 46867500, 53866380, 67332975, 80799570, 89777300, 112221625, 134665950, 161599140, 201998925, 224443250, 269331900, 336664875, 403997850, 448886500, 561108125, 673329750, 807995700, 1009994625, 1122216250, 1346659500, 1683324375, 2019989250, 2244432500, 3366648750, 4039978500, 5049973125, 6733297500, 10099946250, 20199892500]

約数ペア:

[(1, 20199892500), (2, 10099946250), (3, 6733297500), (4, 5049973125), (5, 4039978500), (6, 3366648750), (9, 2244432500), (10, 2019989250), (12, 1683324375), (15, 1346659500), (18, 1122216250), (20, 1009994625), (25, 807995700), (30, 673329750), (36, 561108125), (45, 448886500), (50, 403997850), (60, 336664875), (75, 269331900), (90, 224443250), (100, 201998925), (125, 161599140), (150, 134665950), (180, 112221625), (225, 89777300), (250, 80799570), (300, 67332975), (375, 53866380), (431, 46867500), (450, 44888650), (500, 40399785), (625, 32319828), (750, 26933190), (862, 23433750), (900, 22444325), (1125, 17955460), (1250, 16159914), (1293, 15622500), (1500, 13466595), (1724, 11716875), (1875, 10773276), (2083, 9697500), (2155, 9373500), (2250, 8977730), (2500, 8079957), (2586, 7811250), (3750, 5386638), (3879, 5207500), (4166, 4848750), (4310, 4686750), (4500, 4488865), (5172, 3905625), (5625, 3591092), (6249, 3232500), (6465, 3124500), (7500, 2693319), (7758, 2603750), (8332, 2424375), (8620, 2343375), (10415, 1939500), (10775, 1874700), (11250, 1795546), (12498, 1616250), (12930, 1562250), (15516, 1301875), (18747, 1077500), (19395, 1041500), (20830, 969750), (21550, 937350), (22500, 897773), (24996, 808125), (25860, 781125), (31245, 646500), (32325, 624900), (37494, 538750), (38790, 520750), (41660, 484875), (43100, 468675), (52075, 387900), (53875, 374940), (62490, 323250), (64650, 312450), (74988, 269375), (77580, 260375), (93735, 215500), (96975, 208300), (104150, 193950), (107750, 187470), (124980, 161625), (129300, 156225)]