838789070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 1877686272

約数和(自身を除く): 1038897202

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 41, 46, 70, 82, 97, 115, 131, 161, 194, 205, 230, 262, 287, 322, 410, 485, 574, 655, 679, 805, 917, 943, 970, 1310, 1358, 1435, 1610, 1834, 1886, 2231, 2870, 3013, 3395, 3977, 4462, 4585, 4715, 5371, 6026, 6601, 6790, 7954, 9170, 9430, 10742, 11155, 12707, 13202, 15065, 15617, 19885, 21091, 22310, 25414, 26855, 27839, 30130, 31234, 33005, 37597, 39770, 42182, 53710, 55678, 63535, 66010, 75194, 78085, 88949, 91471, 105455, 123533, 127070, 139195, 156170, 177898, 182942, 187985, 210910, 247066, 278390, 292261, 375970, 444745, 457355, 520987, 584522, 617665, 640297, 864731, 889490, 914710, 1041974, 1235330, 1280594, 1461305, 1729462, 2045827, 2604935, 2922610, 3201485, 3646909, 4091654, 4323655, 5209870, 6402970, 7293818, 8647310, 10229135, 11982701, 18234545, 20458270, 23965402, 36469090, 59913505, 83878907, 119827010, 167757814, 419394535, 838789070]

約数ペア:

[(1, 838789070), (2, 419394535), (5, 167757814), (7, 119827010), (10, 83878907), (14, 59913505), (23, 36469090), (35, 23965402), (41, 20458270), (46, 18234545), (70, 11982701), (82, 10229135), (97, 8647310), (115, 7293818), (131, 6402970), (161, 5209870), (194, 4323655), (205, 4091654), (230, 3646909), (262, 3201485), (287, 2922610), (322, 2604935), (410, 2045827), (485, 1729462), (574, 1461305), (655, 1280594), (679, 1235330), (805, 1041974), (917, 914710), (943, 889490), (970, 864731), (1310, 640297), (1358, 617665), (1435, 584522), (1610, 520987), (1834, 457355), (1886, 444745), (2231, 375970), (2870, 292261), (3013, 278390), (3395, 247066), (3977, 210910), (4462, 187985), (4585, 182942), (4715, 177898), (5371, 156170), (6026, 139195), (6601, 127070), (6790, 123533), (7954, 105455), (9170, 91471), (9430, 88949), (10742, 78085), (11155, 75194), (12707, 66010), (13202, 63535), (15065, 55678), (15617, 53710), (19885, 42182), (21091, 39770), (22310, 37597), (25414, 33005), (26855, 31234), (27839, 30130)]