402474860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 910393344

約数和(自身を除く): 507918484

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 71, 82, 124, 142, 155, 164, 205, 223, 284, 310, 355, 410, 446, 620, 710, 820, 892, 1115, 1271, 1420, 2201, 2230, 2542, 2911, 4402, 4460, 5084, 5822, 6355, 6913, 8804, 9143, 11005, 11644, 12710, 13826, 14555, 15833, 18286, 22010, 25420, 27652, 29110, 31666, 34565, 36572, 44020, 45715, 58220, 63332, 69130, 79165, 90241, 91430, 138260, 158330, 180482, 182860, 283433, 316660, 360964, 451205, 490823, 566866, 649153, 902410, 981646, 1133732, 1298306, 1417165, 1804820, 1963292, 2454115, 2596612, 2834330, 3245765, 4908230, 5668660, 6491530, 9816460, 12983060, 20123743, 40247486, 80494972, 100618715, 201237430, 402474860]

約数ペア:

[(1, 402474860), (2, 201237430), (4, 100618715), (5, 80494972), (10, 40247486), (20, 20123743), (31, 12983060), (41, 9816460), (62, 6491530), (71, 5668660), (82, 4908230), (124, 3245765), (142, 2834330), (155, 2596612), (164, 2454115), (205, 1963292), (223, 1804820), (284, 1417165), (310, 1298306), (355, 1133732), (410, 981646), (446, 902410), (620, 649153), (710, 566866), (820, 490823), (892, 451205), (1115, 360964), (1271, 316660), (1420, 283433), (2201, 182860), (2230, 180482), (2542, 158330), (2911, 138260), (4402, 91430), (4460, 90241), (5084, 79165), (5822, 69130), (6355, 63332), (6913, 58220), (8804, 45715), (9143, 44020), (11005, 36572), (11644, 34565), (12710, 31666), (13826, 29110), (14555, 27652), (15833, 25420), (18286, 22010)]