221058840580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{709}}^1\times {\mathrm{2351}}^1$

素因数の和:3437

約数の個数: 96

約数和(自身を含む): 490956480000

約数和(自身を除く): 269897639420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 698, 709, 1396, 1418, 1745, 2351, 2836, 3490, 3545, 4702, 6631, 6980, 7090, 9404, 11755, 13262, 13471, 14180, 23510, 26524, 26942, 33155, 44669, 47020, 53884, 66310, 67355, 89338, 132620, 134710, 178676, 223345, 247441, 269420, 446690, 494882, 820499, 893380, 989764, 1237205, 1640998, 1666859, 2474410, 3281996, 3333718, 4102495, 4701379, 4948820, 6667436, 8204990, 8334295, 9402758, 15589481, 16409980, 16668590, 18805516, 23506895, 31178962, 31670321, 33337180, 47013790, 62357924, 63340642, 77947405, 94027580, 126681284, 155894810, 158351605, 311789620, 316703210, 581733791, 633406420, 1163467582, 2326935164, 2908668955, 5817337910, 11052942029, 11634675820, 22105884058, 44211768116, 55264710145, 110529420290, 221058840580]

約数ペア:

[(1, 221058840580), (2, 110529420290), (4, 55264710145), (5, 44211768116), (10, 22105884058), (19, 11634675820), (20, 11052942029), (38, 5817337910), (76, 2908668955), (95, 2326935164), (190, 1163467582), (349, 633406420), (380, 581733791), (698, 316703210), (709, 311789620), (1396, 158351605), (1418, 155894810), (1745, 126681284), (2351, 94027580), (2836, 77947405), (3490, 63340642), (3545, 62357924), (4702, 47013790), (6631, 33337180), (6980, 31670321), (7090, 31178962), (9404, 23506895), (11755, 18805516), (13262, 16668590), (13471, 16409980), (14180, 15589481), (23510, 9402758), (26524, 8334295), (26942, 8204990), (33155, 6667436), (44669, 4948820), (47020, 4701379), (53884, 4102495), (66310, 3333718), (67355, 3281996), (89338, 2474410), (132620, 1666859), (134710, 1640998), (178676, 1237205), (223345, 989764), (247441, 893380), (269420, 820499), (446690, 494882)]