258461840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2731}}^1$

素因数の和:2777

約数の個数: 120

約数和(自身を含む): 743934528

約数和(自身を除く): 485472688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 728, 845, 910, 1040, 1183, 1352, 1456, 1690, 1820, 2366, 2704, 2731, 3380, 3640, 4732, 5462, 5915, 6760, 7280, 9464, 10924, 11830, 13520, 13655, 18928, 19117, 21848, 23660, 27310, 35503, 38234, 43696, 47320, 54620, 71006, 76468, 94640, 95585, 109240, 142012, 152936, 177515, 191170, 218480, 248521, 284024, 305872, 355030, 382340, 461539, 497042, 568048, 710060, 764680, 923078, 994084, 1242605, 1420120, 1529360, 1846156, 1988168, 2307695, 2485210, 2840240, 3230773, 3692312, 3976336, 4615390, 4970420, 6461546, 7384624, 9230780, 9940840, 12923092, 16153865, 18461560, 19881680, 25846184, 32307730, 36923120, 51692368, 64615460, 129230920, 258461840]

約数ペア:

[(1, 258461840), (2, 129230920), (4, 64615460), (5, 51692368), (7, 36923120), (8, 32307730), (10, 25846184), (13, 19881680), (14, 18461560), (16, 16153865), (20, 12923092), (26, 9940840), (28, 9230780), (35, 7384624), (40, 6461546), (52, 4970420), (56, 4615390), (65, 3976336), (70, 3692312), (80, 3230773), (91, 2840240), (104, 2485210), (112, 2307695), (130, 1988168), (140, 1846156), (169, 1529360), (182, 1420120), (208, 1242605), (260, 994084), (280, 923078), (338, 764680), (364, 710060), (455, 568048), (520, 497042), (560, 461539), (676, 382340), (728, 355030), (845, 305872), (910, 284024), (1040, 248521), (1183, 218480), (1352, 191170), (1456, 177515), (1690, 152936), (1820, 142012), (2366, 109240), (2704, 95585), (2731, 94640), (3380, 76468), (3640, 71006), (4732, 54620), (5462, 47320), (5915, 43696), (6760, 38234), (7280, 35503), (9464, 27310), (10924, 23660), (11830, 21848), (13520, 19117), (13655, 18928)]