71390020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 170797536

約数和(自身を除く): 99407516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 41, 52, 65, 74, 82, 130, 148, 164, 181, 185, 205, 260, 362, 370, 410, 481, 533, 724, 740, 820, 905, 962, 1066, 1517, 1810, 1924, 2132, 2353, 2405, 2665, 3034, 3620, 4706, 4810, 5330, 6068, 6697, 7421, 7585, 9412, 9620, 10660, 11765, 13394, 14842, 15170, 19721, 23530, 26788, 29684, 30340, 33485, 37105, 39442, 47060, 66970, 74210, 78884, 87061, 96473, 98605, 133940, 148420, 174122, 192946, 197210, 274577, 348244, 385892, 394420, 435305, 482365, 549154, 870610, 964730, 1098308, 1372885, 1741220, 1929460, 2745770, 3569501, 5491540, 7139002, 14278004, 17847505, 35695010, 71390020]

約数ペア:

[(1, 71390020), (2, 35695010), (4, 17847505), (5, 14278004), (10, 7139002), (13, 5491540), (20, 3569501), (26, 2745770), (37, 1929460), (41, 1741220), (52, 1372885), (65, 1098308), (74, 964730), (82, 870610), (130, 549154), (148, 482365), (164, 435305), (181, 394420), (185, 385892), (205, 348244), (260, 274577), (362, 197210), (370, 192946), (410, 174122), (481, 148420), (533, 133940), (724, 98605), (740, 96473), (820, 87061), (905, 78884), (962, 74210), (1066, 66970), (1517, 47060), (1810, 39442), (1924, 37105), (2132, 33485), (2353, 30340), (2405, 29684), (2665, 26788), (3034, 23530), (3620, 19721), (4706, 15170), (4810, 14842), (5330, 13394), (6068, 11765), (6697, 10660), (7421, 9620), (7585, 9412)]