2019650380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 4720343040

約数和(自身を除く): 2700692660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 239, 284, 355, 478, 541, 710, 781, 956, 1082, 1195, 1420, 1562, 2164, 2390, 2629, 2705, 3124, 3905, 4780, 5258, 5410, 5951, 7810, 10516, 10820, 11902, 13145, 15620, 16969, 23804, 26290, 29755, 33938, 38411, 52580, 59510, 67876, 76822, 84845, 119020, 129299, 153644, 169690, 186659, 192055, 258598, 339380, 373318, 384110, 422521, 517196, 646495, 746636, 768220, 845042, 933295, 1292990, 1422289, 1690084, 1866590, 2112605, 2585980, 2844578, 3733180, 4225210, 5689156, 7111445, 8450420, 9180229, 14222890, 18360458, 28445780, 36720916, 45901145, 91802290, 100982519, 183604580, 201965038, 403930076, 504912595, 1009825190, 2019650380]

約数ペア:

[(1, 2019650380), (2, 1009825190), (4, 504912595), (5, 403930076), (10, 201965038), (11, 183604580), (20, 100982519), (22, 91802290), (44, 45901145), (55, 36720916), (71, 28445780), (110, 18360458), (142, 14222890), (220, 9180229), (239, 8450420), (284, 7111445), (355, 5689156), (478, 4225210), (541, 3733180), (710, 2844578), (781, 2585980), (956, 2112605), (1082, 1866590), (1195, 1690084), (1420, 1422289), (1562, 1292990), (2164, 933295), (2390, 845042), (2629, 768220), (2705, 746636), (3124, 646495), (3905, 517196), (4780, 422521), (5258, 384110), (5410, 373318), (5951, 339380), (7810, 258598), (10516, 192055), (10820, 186659), (11902, 169690), (13145, 153644), (15620, 129299), (16969, 119020), (23804, 84845), (26290, 76822), (29755, 67876), (33938, 59510), (38411, 52580)]