74118980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 182256480

約数和(自身を除く): 108137500

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, 409, 410, 442, 533, 697, 818, 820, 884, 1066, 1105, 1394, 1636, 2045, 2132, 2210, 2665, 2788, 3485, 4090, 4420, 5317, 5330, 6953, 6970, 8180, 9061, 10634, 10660, 13906, 13940, 16769, 18122, 21268, 26585, 27812, 33538, 34765, 36244, 45305, 53170, 67076, 69530, 83845, 90389, 90610, 106340, 139060, 167690, 180778, 181220, 217997, 285073, 335380, 361556, 435994, 451945, 570146, 871988, 903890, 1089985, 1140292, 1425365, 1807780, 2179970, 2850730, 3705949, 4359940, 5701460, 7411898, 14823796, 18529745, 37059490, 74118980]

約数ペア:

[(1, 74118980), (2, 37059490), (4, 18529745), (5, 14823796), (10, 7411898), (13, 5701460), (17, 4359940), (20, 3705949), (26, 2850730), (34, 2179970), (41, 1807780), (52, 1425365), (65, 1140292), (68, 1089985), (82, 903890), (85, 871988), (130, 570146), (164, 451945), (170, 435994), (205, 361556), (221, 335380), (260, 285073), (340, 217997), (409, 181220), (410, 180778), (442, 167690), (533, 139060), (697, 106340), (818, 90610), (820, 90389), (884, 83845), (1066, 69530), (1105, 67076), (1394, 53170), (1636, 45305), (2045, 36244), (2132, 34765), (2210, 33538), (2665, 27812), (2788, 26585), (3485, 21268), (4090, 18122), (4420, 16769), (5317, 13940), (5330, 13906), (6953, 10660), (6970, 10634), (8180, 9061)]