40843880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 116640000

約数和(自身を除く): 75796120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 140, 149, 154, 178, 220, 280, 298, 308, 356, 385, 440, 445, 596, 616, 623, 712, 745, 770, 890, 979, 1043, 1192, 1246, 1490, 1540, 1639, 1780, 1958, 2086, 2492, 2980, 3080, 3115, 3278, 3560, 3916, 4172, 4895, 4984, 5215, 5960, 6230, 6556, 6853, 7832, 8195, 8344, 9790, 10430, 11473, 12460, 13112, 13261, 13706, 16390, 19580, 20860, 22946, 24920, 26522, 27412, 32780, 34265, 39160, 41720, 45892, 53044, 54824, 57365, 65560, 66305, 68530, 91784, 92827, 106088, 114730, 132610, 137060, 145871, 185654, 229460, 265220, 274120, 291742, 371308, 458920, 464135, 530440, 583484, 729355, 742616, 928270, 1021097, 1166968, 1458710, 1856540, 2042194, 2917420, 3713080, 4084388, 5105485, 5834840, 8168776, 10210970, 20421940, 40843880]

約数ペア:

[(1, 40843880), (2, 20421940), (4, 10210970), (5, 8168776), (7, 5834840), (8, 5105485), (10, 4084388), (11, 3713080), (14, 2917420), (20, 2042194), (22, 1856540), (28, 1458710), (35, 1166968), (40, 1021097), (44, 928270), (55, 742616), (56, 729355), (70, 583484), (77, 530440), (88, 464135), (89, 458920), (110, 371308), (140, 291742), (149, 274120), (154, 265220), (178, 229460), (220, 185654), (280, 145871), (298, 137060), (308, 132610), (356, 114730), (385, 106088), (440, 92827), (445, 91784), (596, 68530), (616, 66305), (623, 65560), (712, 57365), (745, 54824), (770, 53044), (890, 45892), (979, 41720), (1043, 39160), (1192, 34265), (1246, 32780), (1490, 27412), (1540, 26522), (1639, 24920), (1780, 22946), (1958, 20860), (2086, 19580), (2492, 16390), (2980, 13706), (3080, 13261), (3115, 13112), (3278, 12460), (3560, 11473), (3916, 10430), (4172, 9790), (4895, 8344), (4984, 8195), (5215, 7832), (5960, 6853), (6230, 6556)]