71944340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 176922144

約数和(自身を除く): 104977804

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 130, 164, 170, 205, 221, 260, 340, 397, 410, 442, 533, 697, 794, 820, 884, 1066, 1105, 1394, 1588, 1985, 2132, 2210, 2665, 2788, 3485, 3970, 4420, 5161, 5330, 6749, 6970, 7940, 9061, 10322, 10660, 13498, 13940, 16277, 18122, 20644, 25805, 26996, 32554, 33745, 36244, 45305, 51610, 65108, 67490, 81385, 87737, 90610, 103220, 134980, 162770, 175474, 181220, 211601, 276709, 325540, 350948, 423202, 438685, 553418, 846404, 877370, 1058005, 1106836, 1383545, 1754740, 2116010, 2767090, 3597217, 4232020, 5534180, 7194434, 14388868, 17986085, 35972170, 71944340]

約数ペア:

[(1, 71944340), (2, 35972170), (4, 17986085), (5, 14388868), (10, 7194434), (13, 5534180), (17, 4232020), (20, 3597217), (26, 2767090), (34, 2116010), (41, 1754740), (52, 1383545), (65, 1106836), (68, 1058005), (82, 877370), (85, 846404), (130, 553418), (164, 438685), (170, 423202), (205, 350948), (221, 325540), (260, 276709), (340, 211601), (397, 181220), (410, 175474), (442, 162770), (533, 134980), (697, 103220), (794, 90610), (820, 87737), (884, 81385), (1066, 67490), (1105, 65108), (1394, 51610), (1588, 45305), (1985, 36244), (2132, 33745), (2210, 32554), (2665, 26996), (2788, 25805), (3485, 20644), (3970, 18122), (4420, 16277), (5161, 13940), (5330, 13498), (6749, 10660), (6970, 10322), (7940, 9061)]