8719480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 25920000

約数和(自身を除く): 17200520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 149, 152, 154, 190, 209, 220, 266, 280, 298, 308, 380, 385, 418, 440, 532, 596, 616, 665, 745, 760, 770, 836, 1043, 1045, 1064, 1192, 1330, 1463, 1490, 1540, 1639, 1672, 2086, 2090, 2660, 2831, 2926, 2980, 3080, 3278, 4172, 4180, 5215, 5320, 5662, 5852, 5960, 6556, 7315, 8195, 8344, 8360, 10430, 11324, 11473, 11704, 13112, 14155, 14630, 16390, 19817, 20860, 22648, 22946, 28310, 29260, 31141, 32780, 39634, 41720, 45892, 56620, 57365, 58520, 62282, 65560, 79268, 91784, 99085, 113240, 114730, 124564, 155705, 158536, 198170, 217987, 229460, 249128, 311410, 396340, 435974, 458920, 622820, 792680, 871948, 1089935, 1245640, 1743896, 2179870, 4359740, 8719480]

約数ペア:

[(1, 8719480), (2, 4359740), (4, 2179870), (5, 1743896), (7, 1245640), (8, 1089935), (10, 871948), (11, 792680), (14, 622820), (19, 458920), (20, 435974), (22, 396340), (28, 311410), (35, 249128), (38, 229460), (40, 217987), (44, 198170), (55, 158536), (56, 155705), (70, 124564), (76, 114730), (77, 113240), (88, 99085), (95, 91784), (110, 79268), (133, 65560), (140, 62282), (149, 58520), (152, 57365), (154, 56620), (190, 45892), (209, 41720), (220, 39634), (266, 32780), (280, 31141), (298, 29260), (308, 28310), (380, 22946), (385, 22648), (418, 20860), (440, 19817), (532, 16390), (596, 14630), (616, 14155), (665, 13112), (745, 11704), (760, 11473), (770, 11324), (836, 10430), (1043, 8360), (1045, 8344), (1064, 8195), (1192, 7315), (1330, 6556), (1463, 5960), (1490, 5852), (1540, 5662), (1639, 5320), (1672, 5215), (2086, 4180), (2090, 4172), (2660, 3278), (2831, 3080), (2926, 2980)]