399657510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2053}}^1$

素因数の和:2179

約数の個数: 128

約数和(自身を含む): 1230428160

約数和(自身を除く): 830770650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 103, 105, 126, 135, 189, 206, 210, 270, 309, 315, 378, 515, 618, 630, 721, 927, 945, 1030, 1442, 1545, 1854, 1890, 2053, 2163, 2781, 3090, 3605, 4106, 4326, 4635, 5562, 6159, 6489, 7210, 9270, 10265, 10815, 12318, 12978, 13905, 14371, 18477, 19467, 20530, 21630, 27810, 28742, 30795, 32445, 36954, 38934, 43113, 55431, 61590, 64890, 71855, 86226, 92385, 97335, 110862, 129339, 143710, 184770, 194670, 211459, 215565, 258678, 277155, 388017, 422918, 431130, 554310, 634377, 646695, 776034, 1057295, 1268754, 1293390, 1480213, 1903131, 1940085, 2114590, 2960426, 3171885, 3806262, 3880170, 4440639, 5709393, 6343770, 7401065, 8881278, 9515655, 11418786, 13321917, 14802130, 19031310, 22203195, 26643834, 28546965, 39965751, 44406390, 57093930, 66609585, 79931502, 133219170, 199828755, 399657510]

約数ペア:

[(1, 399657510), (2, 199828755), (3, 133219170), (5, 79931502), (6, 66609585), (7, 57093930), (9, 44406390), (10, 39965751), (14, 28546965), (15, 26643834), (18, 22203195), (21, 19031310), (27, 14802130), (30, 13321917), (35, 11418786), (42, 9515655), (45, 8881278), (54, 7401065), (63, 6343770), (70, 5709393), (90, 4440639), (103, 3880170), (105, 3806262), (126, 3171885), (135, 2960426), (189, 2114590), (206, 1940085), (210, 1903131), (270, 1480213), (309, 1293390), (315, 1268754), (378, 1057295), (515, 776034), (618, 646695), (630, 634377), (721, 554310), (927, 431130), (945, 422918), (1030, 388017), (1442, 277155), (1545, 258678), (1854, 215565), (1890, 211459), (2053, 194670), (2163, 184770), (2781, 143710), (3090, 129339), (3605, 110862), (4106, 97335), (4326, 92385), (4635, 86226), (5562, 71855), (6159, 64890), (6489, 61590), (7210, 55431), (9270, 43113), (10265, 38934), (10815, 36954), (12318, 32445), (12978, 30795), (13905, 28742), (14371, 27810), (18477, 21630), (19467, 20530)]