474989440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 1189728000

約数和(自身を除く): 714738560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 128, 155, 160, 178, 248, 269, 310, 320, 356, 445, 496, 538, 620, 640, 712, 890, 992, 1076, 1240, 1345, 1424, 1780, 1984, 2152, 2480, 2690, 2759, 2848, 3560, 3968, 4304, 4960, 5380, 5518, 5696, 7120, 8339, 8608, 9920, 10760, 11036, 11392, 13795, 14240, 16678, 17216, 19840, 21520, 22072, 23941, 27590, 28480, 33356, 34432, 41695, 43040, 44144, 47882, 55180, 56960, 66712, 83390, 86080, 88288, 95764, 110360, 119705, 133424, 166780, 172160, 176576, 191528, 220720, 239410, 266848, 333560, 353152, 383056, 441440, 478820, 533696, 667120, 742171, 766112, 882880, 957640, 1067392, 1334240, 1484342, 1532224, 1765760, 1915280, 2668480, 2968684, 3064448, 3710855, 3830560, 5336960, 5937368, 7421710, 7661120, 11874736, 14843420, 15322240, 23749472, 29686840, 47498944, 59373680, 94997888, 118747360, 237494720, 474989440]

約数ペア:

[(1, 474989440), (2, 237494720), (4, 118747360), (5, 94997888), (8, 59373680), (10, 47498944), (16, 29686840), (20, 23749472), (31, 15322240), (32, 14843420), (40, 11874736), (62, 7661120), (64, 7421710), (80, 5937368), (89, 5336960), (124, 3830560), (128, 3710855), (155, 3064448), (160, 2968684), (178, 2668480), (248, 1915280), (269, 1765760), (310, 1532224), (320, 1484342), (356, 1334240), (445, 1067392), (496, 957640), (538, 882880), (620, 766112), (640, 742171), (712, 667120), (890, 533696), (992, 478820), (1076, 441440), (1240, 383056), (1345, 353152), (1424, 333560), (1780, 266848), (1984, 239410), (2152, 220720), (2480, 191528), (2690, 176576), (2759, 172160), (2848, 166780), (3560, 133424), (3968, 119705), (4304, 110360), (4960, 95764), (5380, 88288), (5518, 86080), (5696, 83390), (7120, 66712), (8339, 56960), (8608, 55180), (9920, 47882), (10760, 44144), (11036, 43040), (11392, 41695), (13795, 34432), (14240, 33356), (16678, 28480), (17216, 27590), (19840, 23941), (21520, 22072)]