254911300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 671956992

約数和(自身を除く): 417045692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 71, 92, 100, 115, 140, 142, 161, 175, 223, 230, 284, 322, 350, 355, 446, 460, 497, 575, 644, 700, 710, 805, 892, 994, 1115, 1150, 1420, 1561, 1610, 1633, 1775, 1988, 2230, 2300, 2485, 3122, 3220, 3266, 3550, 4025, 4460, 4970, 5129, 5575, 6244, 6532, 7100, 7805, 8050, 8165, 9940, 10258, 11150, 11431, 12425, 15610, 15833, 16100, 16330, 20516, 22300, 22862, 24850, 25645, 31220, 31666, 32660, 35903, 39025, 40825, 45724, 49700, 51290, 57155, 63332, 71806, 78050, 79165, 81650, 102580, 110831, 114310, 128225, 143612, 156100, 158330, 163300, 179515, 221662, 228620, 256450, 285775, 316660, 359030, 364159, 395825, 443324, 512900, 554155, 571550, 718060, 728318, 791650, 897575, 1108310, 1143100, 1456636, 1583300, 1795150, 1820795, 2216620, 2549113, 2770775, 3590300, 3641590, 5098226, 5541550, 7283180, 9103975, 10196452, 11083100, 12745565, 18207950, 25491130, 36415900, 50982260, 63727825, 127455650, 254911300]

約数ペア:

[(1, 254911300), (2, 127455650), (4, 63727825), (5, 50982260), (7, 36415900), (10, 25491130), (14, 18207950), (20, 12745565), (23, 11083100), (25, 10196452), (28, 9103975), (35, 7283180), (46, 5541550), (50, 5098226), (70, 3641590), (71, 3590300), (92, 2770775), (100, 2549113), (115, 2216620), (140, 1820795), (142, 1795150), (161, 1583300), (175, 1456636), (223, 1143100), (230, 1108310), (284, 897575), (322, 791650), (350, 728318), (355, 718060), (446, 571550), (460, 554155), (497, 512900), (575, 443324), (644, 395825), (700, 364159), (710, 359030), (805, 316660), (892, 285775), (994, 256450), (1115, 228620), (1150, 221662), (1420, 179515), (1561, 163300), (1610, 158330), (1633, 156100), (1775, 143612), (1988, 128225), (2230, 114310), (2300, 110831), (2485, 102580), (3122, 81650), (3220, 79165), (3266, 78050), (3550, 71806), (4025, 63332), (4460, 57155), (4970, 51290), (5129, 49700), (5575, 45724), (6244, 40825), (6532, 39025), (7100, 35903), (7805, 32660), (8050, 31666), (8165, 31220), (9940, 25645), (10258, 24850), (11150, 22862), (11431, 22300), (12425, 20516), (15610, 16330), (15833, 16100)]