251397636

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 737735040

約数和(自身を除く): 486337404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 29, 42, 46, 49, 58, 69, 84, 87, 92, 98, 116, 138, 147, 161, 174, 196, 203, 276, 294, 322, 348, 406, 483, 588, 609, 641, 644, 667, 812, 966, 1127, 1218, 1282, 1334, 1421, 1923, 1932, 2001, 2254, 2436, 2564, 2668, 2842, 3381, 3846, 4002, 4263, 4487, 4508, 4669, 5684, 6762, 7692, 8004, 8526, 8974, 9338, 13461, 13524, 14007, 14743, 17052, 17948, 18589, 18676, 26922, 28014, 29486, 31409, 32683, 37178, 44229, 53844, 55767, 56028, 58972, 62818, 65366, 74356, 88458, 94227, 98049, 103201, 111534, 125636, 130123, 130732, 176916, 188454, 196098, 206402, 223068, 260246, 309603, 376908, 390369, 392196, 412804, 427547, 520492, 619206, 722407, 780738, 855094, 910861, 1238412, 1282641, 1444814, 1561476, 1710188, 1821722, 2167221, 2565282, 2732583, 2889628, 2992829, 3643444, 4334442, 5130564, 5465166, 5985658, 8668884, 8978487, 10930332, 11971316, 17956974, 20949803, 35913948, 41899606, 62849409, 83799212, 125698818, 251397636]

約数ペア:

[(1, 251397636), (2, 125698818), (3, 83799212), (4, 62849409), (6, 41899606), (7, 35913948), (12, 20949803), (14, 17956974), (21, 11971316), (23, 10930332), (28, 8978487), (29, 8668884), (42, 5985658), (46, 5465166), (49, 5130564), (58, 4334442), (69, 3643444), (84, 2992829), (87, 2889628), (92, 2732583), (98, 2565282), (116, 2167221), (138, 1821722), (147, 1710188), (161, 1561476), (174, 1444814), (196, 1282641), (203, 1238412), (276, 910861), (294, 855094), (322, 780738), (348, 722407), (406, 619206), (483, 520492), (588, 427547), (609, 412804), (641, 392196), (644, 390369), (667, 376908), (812, 309603), (966, 260246), (1127, 223068), (1218, 206402), (1282, 196098), (1334, 188454), (1421, 176916), (1923, 130732), (1932, 130123), (2001, 125636), (2254, 111534), (2436, 103201), (2564, 98049), (2668, 94227), (2842, 88458), (3381, 74356), (3846, 65366), (4002, 62818), (4263, 58972), (4487, 56028), (4508, 55767), (4669, 53844), (5684, 44229), (6762, 37178), (7692, 32683), (8004, 31409), (8526, 29486), (8974, 28014), (9338, 26922), (13461, 18676), (13524, 18589), (14007, 17948), (14743, 17052)]