253936900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 675928960

約数和(自身を除く): 421992060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 61, 70, 76, 95, 100, 122, 133, 140, 175, 190, 244, 266, 305, 313, 350, 380, 427, 475, 532, 610, 626, 665, 700, 854, 950, 1159, 1220, 1252, 1330, 1525, 1565, 1708, 1900, 2135, 2191, 2318, 2660, 3050, 3130, 3325, 4270, 4382, 4636, 5795, 5947, 6100, 6260, 6650, 7825, 8113, 8540, 8764, 10675, 10955, 11590, 11894, 13300, 15650, 16226, 19093, 21350, 21910, 23180, 23788, 28975, 29735, 31300, 32452, 38186, 40565, 41629, 42700, 43820, 54775, 57950, 59470, 76372, 81130, 83258, 95465, 109550, 115900, 118940, 133651, 148675, 162260, 166516, 190930, 202825, 208145, 219100, 267302, 297350, 362767, 381860, 405650, 416290, 477325, 534604, 594700, 668255, 725534, 811300, 832580, 954650, 1040725, 1336510, 1451068, 1813835, 1909300, 2081450, 2539369, 2673020, 3341275, 3627670, 4162900, 5078738, 6682550, 7255340, 9069175, 10157476, 12696845, 13365100, 18138350, 25393690, 36276700, 50787380, 63484225, 126968450, 253936900]

約数ペア:

[(1, 253936900), (2, 126968450), (4, 63484225), (5, 50787380), (7, 36276700), (10, 25393690), (14, 18138350), (19, 13365100), (20, 12696845), (25, 10157476), (28, 9069175), (35, 7255340), (38, 6682550), (50, 5078738), (61, 4162900), (70, 3627670), (76, 3341275), (95, 2673020), (100, 2539369), (122, 2081450), (133, 1909300), (140, 1813835), (175, 1451068), (190, 1336510), (244, 1040725), (266, 954650), (305, 832580), (313, 811300), (350, 725534), (380, 668255), (427, 594700), (475, 534604), (532, 477325), (610, 416290), (626, 405650), (665, 381860), (700, 362767), (854, 297350), (950, 267302), (1159, 219100), (1220, 208145), (1252, 202825), (1330, 190930), (1525, 166516), (1565, 162260), (1708, 148675), (1900, 133651), (2135, 118940), (2191, 115900), (2318, 109550), (2660, 95465), (3050, 83258), (3130, 81130), (3325, 76372), (4270, 59470), (4382, 57950), (4636, 54775), (5795, 43820), (5947, 42700), (6100, 41629), (6260, 40565), (6650, 38186), (7825, 32452), (8113, 31300), (8540, 29735), (8764, 28975), (10675, 23788), (10955, 23180), (11590, 21910), (11894, 21350), (13300, 19093), (15650, 16226)]