1606220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 4309200

約数和(自身を除く): 2702980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 149, 154, 196, 220, 245, 298, 308, 385, 490, 539, 596, 745, 770, 980, 1043, 1078, 1490, 1540, 1639, 2086, 2156, 2695, 2980, 3278, 4172, 5215, 5390, 6556, 7301, 8195, 10430, 10780, 11473, 14602, 16390, 20860, 22946, 29204, 32780, 36505, 45892, 57365, 73010, 80311, 114730, 146020, 160622, 229460, 321244, 401555, 803110, 1606220]

約数ペア:

[(1, 1606220), (2, 803110), (4, 401555), (5, 321244), (7, 229460), (10, 160622), (11, 146020), (14, 114730), (20, 80311), (22, 73010), (28, 57365), (35, 45892), (44, 36505), (49, 32780), (55, 29204), (70, 22946), (77, 20860), (98, 16390), (110, 14602), (140, 11473), (149, 10780), (154, 10430), (196, 8195), (220, 7301), (245, 6556), (298, 5390), (308, 5215), (385, 4172), (490, 3278), (539, 2980), (596, 2695), (745, 2156), (770, 2086), (980, 1639), (1043, 1540), (1078, 1490)]