388591840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2053}}^1$

素因数の和:2101

約数の個数: 144

約数和(自身を含む): 1136667168

約数和(自身を除く): 748075328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 455, 520, 560, 676, 728, 845, 910, 1040, 1120, 1183, 1352, 1456, 1690, 1820, 2053, 2080, 2366, 2704, 2912, 3380, 3640, 4106, 4732, 5408, 5915, 6760, 7280, 8212, 9464, 10265, 11830, 13520, 14371, 14560, 16424, 18928, 20530, 23660, 26689, 27040, 28742, 32848, 37856, 41060, 47320, 53378, 57484, 65696, 71855, 82120, 94640, 106756, 114968, 133445, 143710, 164240, 186823, 189280, 213512, 229936, 266890, 287420, 328480, 346957, 373646, 427024, 459872, 533780, 574840, 693914, 747292, 854048, 934115, 1067560, 1149680, 1387828, 1494584, 1734785, 1868230, 2135120, 2299360, 2428699, 2775656, 2989168, 3469570, 3736460, 4270240, 4857398, 5551312, 5978336, 6939140, 7472920, 9714796, 11102624, 12143495, 13878280, 14945840, 19429592, 24286990, 27756560, 29891680, 38859184, 48573980, 55513120, 77718368, 97147960, 194295920, 388591840]

約数ペア:

[(1, 388591840), (2, 194295920), (4, 97147960), (5, 77718368), (7, 55513120), (8, 48573980), (10, 38859184), (13, 29891680), (14, 27756560), (16, 24286990), (20, 19429592), (26, 14945840), (28, 13878280), (32, 12143495), (35, 11102624), (40, 9714796), (52, 7472920), (56, 6939140), (65, 5978336), (70, 5551312), (80, 4857398), (91, 4270240), (104, 3736460), (112, 3469570), (130, 2989168), (140, 2775656), (160, 2428699), (169, 2299360), (182, 2135120), (208, 1868230), (224, 1734785), (260, 1494584), (280, 1387828), (338, 1149680), (364, 1067560), (416, 934115), (455, 854048), (520, 747292), (560, 693914), (676, 574840), (728, 533780), (845, 459872), (910, 427024), (1040, 373646), (1120, 346957), (1183, 328480), (1352, 287420), (1456, 266890), (1690, 229936), (1820, 213512), (2053, 189280), (2080, 186823), (2366, 164240), (2704, 143710), (2912, 133445), (3380, 114968), (3640, 106756), (4106, 94640), (4732, 82120), (5408, 71855), (5915, 65696), (6760, 57484), (7280, 53378), (8212, 47320), (9464, 41060), (10265, 37856), (11830, 32848), (13520, 28742), (14371, 27040), (14560, 26689), (16424, 23660), (18928, 20530)]