328895960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 804384000

約数和(自身を除く): 475488040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 79, 97, 116, 145, 148, 158, 185, 194, 232, 290, 296, 316, 370, 388, 395, 485, 580, 632, 740, 776, 790, 970, 1073, 1160, 1480, 1580, 1940, 2146, 2291, 2813, 2923, 3160, 3589, 3880, 4292, 4582, 5365, 5626, 5846, 7178, 7663, 8584, 9164, 10730, 11252, 11455, 11692, 14065, 14356, 14615, 15326, 17945, 18328, 21460, 22504, 22910, 23384, 28130, 28712, 29230, 30652, 35890, 38315, 42920, 45820, 56260, 58460, 61304, 71780, 76630, 84767, 91640, 104081, 112520, 116920, 143560, 153260, 169534, 208162, 222227, 283531, 306520, 339068, 416324, 423835, 444454, 520405, 567062, 678136, 832648, 847670, 888908, 1040810, 1111135, 1134124, 1417655, 1695340, 1777816, 2081620, 2222270, 2268248, 2835310, 3390680, 4163240, 4444540, 5670620, 8222399, 8889080, 11341240, 16444798, 32889596, 41111995, 65779192, 82223990, 164447980, 328895960]

約数ペア:

[(1, 328895960), (2, 164447980), (4, 82223990), (5, 65779192), (8, 41111995), (10, 32889596), (20, 16444798), (29, 11341240), (37, 8889080), (40, 8222399), (58, 5670620), (74, 4444540), (79, 4163240), (97, 3390680), (116, 2835310), (145, 2268248), (148, 2222270), (158, 2081620), (185, 1777816), (194, 1695340), (232, 1417655), (290, 1134124), (296, 1111135), (316, 1040810), (370, 888908), (388, 847670), (395, 832648), (485, 678136), (580, 567062), (632, 520405), (740, 444454), (776, 423835), (790, 416324), (970, 339068), (1073, 306520), (1160, 283531), (1480, 222227), (1580, 208162), (1940, 169534), (2146, 153260), (2291, 143560), (2813, 116920), (2923, 112520), (3160, 104081), (3589, 91640), (3880, 84767), (4292, 76630), (4582, 71780), (5365, 61304), (5626, 58460), (5846, 56260), (7178, 45820), (7663, 42920), (8584, 38315), (9164, 35890), (10730, 30652), (11252, 29230), (11455, 28712), (11692, 28130), (14065, 23384), (14356, 22910), (14615, 22504), (15326, 21460), (17945, 18328)]