209430256900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{17891}}^1$

素因数の和:18086

約数の個数: 144

約数和(自身を含む): 491066694720

約数和(自身を除く): 281636437820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 101, 122, 190, 202, 244, 305, 380, 404, 475, 505, 610, 950, 1010, 1159, 1220, 1525, 1900, 1919, 2020, 2318, 2525, 3050, 3838, 4636, 5050, 5795, 6100, 6161, 7676, 9595, 10100, 11590, 12322, 17891, 19190, 23180, 24644, 28975, 30805, 35782, 38380, 47975, 57950, 61610, 71564, 89455, 95950, 115900, 117059, 123220, 154025, 178910, 191900, 234118, 308050, 339929, 357820, 447275, 468236, 585295, 616100, 679858, 894550, 1091351, 1170590, 1359716, 1699645, 1789100, 1806991, 2182702, 2341180, 2926475, 3399290, 3613982, 4365404, 5456755, 5852950, 6798580, 7227964, 8498225, 9034955, 10913510, 11705900, 16996450, 18069910, 20735669, 21827020, 27283775, 33992900, 34332829, 36139820, 41471338, 45174775, 54567550, 68665658, 82942676, 90349550, 103678345, 109135100, 110226451, 137331316, 171664145, 180699100, 207356690, 220452902, 343328290, 414713380, 440905804, 518391725, 551132255, 686656580, 858320725, 1036783450, 1102264510, 1716641450, 2073566900, 2094302569, 2204529020, 2755661275, 3433282900, 4188605138, 5511322550, 8377210276, 10471512845, 11022645100, 20943025690, 41886051380, 52357564225, 104715128450, 209430256900]

約数ペア:

[(1, 209430256900), (2, 104715128450), (4, 52357564225), (5, 41886051380), (10, 20943025690), (19, 11022645100), (20, 10471512845), (25, 8377210276), (38, 5511322550), (50, 4188605138), (61, 3433282900), (76, 2755661275), (95, 2204529020), (100, 2094302569), (101, 2073566900), (122, 1716641450), (190, 1102264510), (202, 1036783450), (244, 858320725), (305, 686656580), (380, 551132255), (404, 518391725), (475, 440905804), (505, 414713380), (610, 343328290), (950, 220452902), (1010, 207356690), (1159, 180699100), (1220, 171664145), (1525, 137331316), (1900, 110226451), (1919, 109135100), (2020, 103678345), (2318, 90349550), (2525, 82942676), (3050, 68665658), (3838, 54567550), (4636, 45174775), (5050, 41471338), (5795, 36139820), (6100, 34332829), (6161, 33992900), (7676, 27283775), (9595, 21827020), (10100, 20735669), (11590, 18069910), (12322, 16996450), (17891, 11705900), (19190, 10913510), (23180, 9034955), (24644, 8498225), (28975, 7227964), (30805, 6798580), (35782, 5852950), (38380, 5456755), (47975, 4365404), (57950, 3613982), (61610, 3399290), (71564, 2926475), (89455, 2341180), (95950, 2182702), (115900, 1806991), (117059, 1789100), (123220, 1699645), (154025, 1359716), (178910, 1170590), (191900, 1091351), (234118, 894550), (308050, 679858), (339929, 616100), (357820, 585295), (447275, 468236)]