55497860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 144789120

約数和(自身を除く): 89291260

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 71, 76, 85, 95, 110, 121, 142, 170, 187, 190, 209, 220, 242, 284, 323, 340, 355, 374, 380, 418, 484, 605, 646, 710, 748, 781, 836, 935, 1045, 1207, 1210, 1292, 1349, 1420, 1562, 1615, 1870, 2057, 2090, 2299, 2414, 2420, 2698, 3124, 3230, 3553, 3740, 3905, 4114, 4180, 4598, 4828, 5396, 6035, 6460, 6745, 7106, 7810, 8228, 8591, 9196, 10285, 11495, 12070, 13277, 13490, 14212, 14839, 15620, 17182, 17765, 20570, 22933, 22990, 24140, 26554, 26980, 29678, 34364, 35530, 39083, 41140, 42955, 45866, 45980, 53108, 59356, 66385, 71060, 74195, 78166, 85910, 91732, 114665, 132770, 146047, 148390, 156332, 163229, 171820, 195415, 229330, 252263, 265540, 292094, 296780, 326458, 390830, 458660, 504526, 584188, 652916, 730235, 781660, 816145, 1009052, 1261315, 1460470, 1632290, 2522630, 2774893, 2920940, 3264580, 5045260, 5549786, 11099572, 13874465, 27748930, 55497860]

約数ペア:

[(1, 55497860), (2, 27748930), (4, 13874465), (5, 11099572), (10, 5549786), (11, 5045260), (17, 3264580), (19, 2920940), (20, 2774893), (22, 2522630), (34, 1632290), (38, 1460470), (44, 1261315), (55, 1009052), (68, 816145), (71, 781660), (76, 730235), (85, 652916), (95, 584188), (110, 504526), (121, 458660), (142, 390830), (170, 326458), (187, 296780), (190, 292094), (209, 265540), (220, 252263), (242, 229330), (284, 195415), (323, 171820), (340, 163229), (355, 156332), (374, 148390), (380, 146047), (418, 132770), (484, 114665), (605, 91732), (646, 85910), (710, 78166), (748, 74195), (781, 71060), (836, 66385), (935, 59356), (1045, 53108), (1207, 45980), (1210, 45866), (1292, 42955), (1349, 41140), (1420, 39083), (1562, 35530), (1615, 34364), (1870, 29678), (2057, 26980), (2090, 26554), (2299, 24140), (2414, 22990), (2420, 22933), (2698, 20570), (3124, 17765), (3230, 17182), (3553, 15620), (3740, 14839), (3905, 14212), (4114, 13490), (4180, 13277), (4598, 12070), (4828, 11495), (5396, 10285), (6035, 9196), (6460, 8591), (6745, 8228), (7106, 7810)]