28906410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 52378710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 47, 57, 65, 78, 83, 94, 95, 114, 130, 141, 166, 190, 195, 235, 247, 249, 282, 285, 390, 415, 470, 494, 498, 570, 611, 705, 741, 830, 893, 1079, 1222, 1235, 1245, 1410, 1482, 1577, 1786, 1833, 2158, 2470, 2490, 2679, 3055, 3154, 3237, 3666, 3705, 3901, 4465, 4731, 5358, 5395, 6110, 6474, 7410, 7802, 7885, 8930, 9165, 9462, 10790, 11609, 11703, 13395, 15770, 16185, 18330, 19505, 20501, 23218, 23406, 23655, 26790, 32370, 34827, 39010, 41002, 47310, 50713, 58045, 58515, 61503, 69654, 74119, 101426, 102505, 116090, 117030, 123006, 148238, 152139, 174135, 205010, 222357, 253565, 304278, 307515, 348270, 370595, 444714, 507130, 615030, 741190, 760695, 963547, 1111785, 1521390, 1927094, 2223570, 2890641, 4817735, 5781282, 9635470, 14453205, 28906410]

約数ペア:

[(1, 28906410), (2, 14453205), (3, 9635470), (5, 5781282), (6, 4817735), (10, 2890641), (13, 2223570), (15, 1927094), (19, 1521390), (26, 1111785), (30, 963547), (38, 760695), (39, 741190), (47, 615030), (57, 507130), (65, 444714), (78, 370595), (83, 348270), (94, 307515), (95, 304278), (114, 253565), (130, 222357), (141, 205010), (166, 174135), (190, 152139), (195, 148238), (235, 123006), (247, 117030), (249, 116090), (282, 102505), (285, 101426), (390, 74119), (415, 69654), (470, 61503), (494, 58515), (498, 58045), (570, 50713), (611, 47310), (705, 41002), (741, 39010), (830, 34827), (893, 32370), (1079, 26790), (1222, 23655), (1235, 23406), (1245, 23218), (1410, 20501), (1482, 19505), (1577, 18330), (1786, 16185), (1833, 15770), (2158, 13395), (2470, 11703), (2490, 11609), (2679, 10790), (3055, 9462), (3154, 9165), (3237, 8930), (3666, 7885), (3705, 7802), (3901, 7410), (4465, 6474), (4731, 6110), (5358, 5395)]