28840020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1241

約数の個数: 96

約数和(自身を含む): 90550656

約数和(自身を除く): 61710636

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 165, 185, 220, 222, 330, 370, 407, 444, 555, 660, 740, 814, 1110, 1181, 1221, 1628, 2035, 2220, 2362, 2442, 3543, 4070, 4724, 4884, 5905, 6105, 7086, 8140, 11810, 12210, 12991, 14172, 17715, 23620, 24420, 25982, 35430, 38973, 43697, 51964, 64955, 70860, 77946, 87394, 129910, 131091, 155892, 174788, 194865, 218485, 259820, 262182, 389730, 436970, 480667, 524364, 655455, 779460, 873940, 961334, 1310910, 1442001, 1922668, 2403335, 2621820, 2884002, 4806670, 5768004, 7210005, 9613340, 14420010, 28840020]

約数ペア:

[(1, 28840020), (2, 14420010), (3, 9613340), (4, 7210005), (5, 5768004), (6, 4806670), (10, 2884002), (11, 2621820), (12, 2403335), (15, 1922668), (20, 1442001), (22, 1310910), (30, 961334), (33, 873940), (37, 779460), (44, 655455), (55, 524364), (60, 480667), (66, 436970), (74, 389730), (110, 262182), (111, 259820), (132, 218485), (148, 194865), (165, 174788), (185, 155892), (220, 131091), (222, 129910), (330, 87394), (370, 77946), (407, 70860), (444, 64955), (555, 51964), (660, 43697), (740, 38973), (814, 35430), (1110, 25982), (1181, 24420), (1221, 23620), (1628, 17715), (2035, 14172), (2220, 12991), (2362, 12210), (2442, 11810), (3543, 8140), (4070, 7086), (4724, 6105), (4884, 5905)]