208705640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 579156480

約数和(自身を除く): 370450840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 107, 110, 121, 124, 130, 143, 155, 214, 220, 242, 248, 260, 286, 310, 341, 403, 428, 440, 484, 520, 535, 572, 605, 620, 682, 715, 806, 856, 968, 1070, 1144, 1177, 1210, 1240, 1364, 1391, 1430, 1573, 1612, 1705, 2015, 2140, 2354, 2420, 2728, 2782, 2860, 3146, 3224, 3317, 3410, 3751, 4030, 4280, 4433, 4708, 4840, 5564, 5720, 5885, 6292, 6634, 6820, 6955, 7502, 7865, 8060, 8866, 9416, 11128, 11770, 12584, 12947, 13268, 13640, 13910, 15004, 15301, 15730, 16120, 16585, 17732, 18755, 22165, 23540, 25894, 26536, 27820, 30008, 30602, 31460, 33170, 35464, 36487, 37510, 43121, 44330, 47080, 48763, 51788, 55640, 61204, 62920, 64735, 66340, 72974, 75020, 76505, 86242, 88660, 97526, 103576, 122408, 129470, 132680, 145948, 150040, 153010, 168311, 172484, 177320, 182435, 195052, 215605, 243815, 258940, 291896, 306020, 336622, 344968, 364870, 390104, 401357, 431210, 474331, 487630, 517880, 612040, 673244, 729740, 802714, 841555, 862420, 948662, 975260, 1346488, 1459480, 1605428, 1683110, 1724840, 1897324, 1950520, 2006785, 2371655, 3210856, 3366220, 3794648, 4013570, 4743310, 5217641, 6732440, 8027140, 9486620, 10435282, 16054280, 18973240, 20870564, 26088205, 41741128, 52176410, 104352820, 208705640]

約数ペア:

[(1, 208705640), (2, 104352820), (4, 52176410), (5, 41741128), (8, 26088205), (10, 20870564), (11, 18973240), (13, 16054280), (20, 10435282), (22, 9486620), (26, 8027140), (31, 6732440), (40, 5217641), (44, 4743310), (52, 4013570), (55, 3794648), (62, 3366220), (65, 3210856), (88, 2371655), (104, 2006785), (107, 1950520), (110, 1897324), (121, 1724840), (124, 1683110), (130, 1605428), (143, 1459480), (155, 1346488), (214, 975260), (220, 948662), (242, 862420), (248, 841555), (260, 802714), (286, 729740), (310, 673244), (341, 612040), (403, 517880), (428, 487630), (440, 474331), (484, 431210), (520, 401357), (535, 390104), (572, 364870), (605, 344968), (620, 336622), (682, 306020), (715, 291896), (806, 258940), (856, 243815), (968, 215605), (1070, 195052), (1144, 182435), (1177, 177320), (1210, 172484), (1240, 168311), (1364, 153010), (1391, 150040), (1430, 145948), (1573, 132680), (1612, 129470), (1705, 122408), (2015, 103576), (2140, 97526), (2354, 88660), (2420, 86242), (2728, 76505), (2782, 75020), (2860, 72974), (3146, 66340), (3224, 64735), (3317, 62920), (3410, 61204), (3751, 55640), (4030, 51788), (4280, 48763), (4433, 47080), (4708, 44330), (4840, 43121), (5564, 37510), (5720, 36487), (5885, 35464), (6292, 33170), (6634, 31460), (6820, 30602), (6955, 30008), (7502, 27820), (7865, 26536), (8060, 25894), (8866, 23540), (9416, 22165), (11128, 18755), (11770, 17732), (12584, 16585), (12947, 16120), (13268, 15730), (13640, 15301), (13910, 15004)]