260202220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 599187456

約数和(自身を除く): 338985236

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 71, 92, 115, 124, 142, 155, 230, 257, 284, 310, 355, 460, 514, 620, 710, 713, 1028, 1285, 1420, 1426, 1633, 2201, 2570, 2852, 3266, 3565, 4402, 5140, 5911, 6532, 7130, 7967, 8165, 8804, 11005, 11822, 14260, 15934, 16330, 18247, 22010, 23644, 29555, 31868, 32660, 36494, 39835, 44020, 50623, 59110, 72988, 79670, 91235, 101246, 118220, 159340, 182470, 183241, 202492, 253115, 364940, 366482, 419681, 506230, 565657, 732964, 839362, 916205, 1012460, 1131314, 1678724, 1832410, 2098405, 2262628, 2828285, 3664820, 4196810, 5656570, 8393620, 11313140, 13010111, 26020222, 52040444, 65050555, 130101110, 260202220]

約数ペア:

[(1, 260202220), (2, 130101110), (4, 65050555), (5, 52040444), (10, 26020222), (20, 13010111), (23, 11313140), (31, 8393620), (46, 5656570), (62, 4196810), (71, 3664820), (92, 2828285), (115, 2262628), (124, 2098405), (142, 1832410), (155, 1678724), (230, 1131314), (257, 1012460), (284, 916205), (310, 839362), (355, 732964), (460, 565657), (514, 506230), (620, 419681), (710, 366482), (713, 364940), (1028, 253115), (1285, 202492), (1420, 183241), (1426, 182470), (1633, 159340), (2201, 118220), (2570, 101246), (2852, 91235), (3266, 79670), (3565, 72988), (4402, 59110), (5140, 50623), (5911, 44020), (6532, 39835), (7130, 36494), (7967, 32660), (8165, 31868), (8804, 29555), (11005, 23644), (11822, 22010), (14260, 18247), (15934, 16330)]