28447770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 76737024

約数和(自身を除く): 48289254

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 169, 181, 186, 195, 310, 338, 362, 390, 403, 465, 507, 543, 806, 845, 905, 930, 1014, 1086, 1209, 1690, 1810, 2015, 2353, 2418, 2535, 2715, 4030, 4706, 5070, 5239, 5430, 5611, 6045, 7059, 10478, 11222, 11765, 12090, 14118, 15717, 16833, 23530, 26195, 28055, 30589, 31434, 33666, 35295, 52390, 56110, 61178, 70590, 72943, 78585, 84165, 91767, 145886, 152945, 157170, 168330, 183534, 218829, 305890, 364715, 437658, 458835, 729430, 917670, 948259, 1094145, 1896518, 2188290, 2844777, 4741295, 5689554, 9482590, 14223885, 28447770]

約数ペア:

[(1, 28447770), (2, 14223885), (3, 9482590), (5, 5689554), (6, 4741295), (10, 2844777), (13, 2188290), (15, 1896518), (26, 1094145), (30, 948259), (31, 917670), (39, 729430), (62, 458835), (65, 437658), (78, 364715), (93, 305890), (130, 218829), (155, 183534), (169, 168330), (181, 157170), (186, 152945), (195, 145886), (310, 91767), (338, 84165), (362, 78585), (390, 72943), (403, 70590), (465, 61178), (507, 56110), (543, 52390), (806, 35295), (845, 33666), (905, 31434), (930, 30589), (1014, 28055), (1086, 26195), (1209, 23530), (1690, 16833), (1810, 15717), (2015, 14118), (2353, 12090), (2418, 11765), (2535, 11222), (2715, 10478), (4030, 7059), (4706, 6045), (5070, 5611), (5239, 5430)]