299487020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 740880000

約数和(自身を除く): 441392980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 293, 298, 343, 490, 586, 596, 686, 745, 980, 1043, 1172, 1372, 1465, 1490, 1715, 2051, 2086, 2930, 2980, 3430, 4102, 4172, 5215, 5860, 6860, 7301, 8204, 10255, 10430, 14357, 14602, 20510, 20860, 28714, 29204, 36505, 41020, 43657, 51107, 57428, 71785, 73010, 87314, 100499, 102214, 143570, 146020, 174628, 200998, 204428, 218285, 255535, 287140, 305599, 401996, 436570, 502495, 511070, 611198, 873140, 1004990, 1022140, 1222396, 1527995, 2009980, 2139193, 3055990, 4278386, 6111980, 8556772, 10695965, 14974351, 21391930, 29948702, 42783860, 59897404, 74871755, 149743510, 299487020]

約数ペア:

[(1, 299487020), (2, 149743510), (4, 74871755), (5, 59897404), (7, 42783860), (10, 29948702), (14, 21391930), (20, 14974351), (28, 10695965), (35, 8556772), (49, 6111980), (70, 4278386), (98, 3055990), (140, 2139193), (149, 2009980), (196, 1527995), (245, 1222396), (293, 1022140), (298, 1004990), (343, 873140), (490, 611198), (586, 511070), (596, 502495), (686, 436570), (745, 401996), (980, 305599), (1043, 287140), (1172, 255535), (1372, 218285), (1465, 204428), (1490, 200998), (1715, 174628), (2051, 146020), (2086, 143570), (2930, 102214), (2980, 100499), (3430, 87314), (4102, 73010), (4172, 71785), (5215, 57428), (5860, 51107), (6860, 43657), (7301, 41020), (8204, 36505), (10255, 29204), (10430, 28714), (14357, 20860), (14602, 20510)]