7154980

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{149}}^1$

素因数の和:186

約数の個数: 60

約数和(自身を含む): 17646300

約数和(自身を除く): 10491320

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 343, 490, 596, 686, 745, 980, 1043, 1372, 1490, 1715, 2086, 2401, 2980, 3430, 4172, 4802, 5215, 6860, 7301, 9604, 10430, 12005, 14602, 20860, 24010, 29204, 36505, 48020, 51107, 73010, 102214, 146020, 204428, 255535, 357749, 511070, 715498, 1022140, 1430996, 1788745, 3577490, 7154980]

約数ペア:

[(1, 7154980), (2, 3577490), (4, 1788745), (5, 1430996), (7, 1022140), (10, 715498), (14, 511070), (20, 357749), (28, 255535), (35, 204428), (49, 146020), (70, 102214), (98, 73010), (140, 51107), (149, 48020), (196, 36505), (245, 29204), (298, 24010), (343, 20860), (490, 14602), (596, 12005), (686, 10430), (745, 9604), (980, 7301), (1043, 6860), (1372, 5215), (1490, 4802), (1715, 4172), (2086, 3430), (2401, 2980)]