7430020

素因数分解:

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

素因数の和:121

約数の個数: 72

約数和(自身を含む): 18236232

約数和(自身を除く): 10806212

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, 410, 442, 533, 697, 820, 884, 1066, 1105, 1394, 1681, 2132, 2210, 2665, 2788, 3362, 3485, 4420, 5330, 6724, 6970, 8405, 9061, 10660, 13940, 16810, 18122, 21853, 28577, 33620, 36244, 43706, 45305, 57154, 87412, 90610, 109265, 114308, 142885, 181220, 218530, 285770, 371501, 437060, 571540, 743002, 1486004, 1857505, 3715010, 7430020]

約数ペア:

[(1, 7430020), (2, 3715010), (4, 1857505), (5, 1486004), (10, 743002), (13, 571540), (17, 437060), (20, 371501), (26, 285770), (34, 218530), (41, 181220), (52, 142885), (65, 114308), (68, 109265), (82, 90610), (85, 87412), (130, 57154), (164, 45305), (170, 43706), (205, 36244), (221, 33620), (260, 28577), (340, 21853), (410, 18122), (442, 16810), (533, 13940), (697, 10660), (820, 9061), (884, 8405), (1066, 6970), (1105, 6724), (1394, 5330), (1681, 4420), (2132, 3485), (2210, 3362), (2665, 2788)]