139858360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 338014080

約数和(自身を除く): 198155720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 61, 62, 86, 122, 124, 155, 172, 215, 244, 248, 305, 310, 344, 430, 488, 610, 620, 860, 1220, 1240, 1333, 1720, 1849, 1891, 2440, 2623, 2666, 3698, 3782, 5246, 5332, 6665, 7396, 7564, 9245, 9455, 10492, 10664, 13115, 13330, 14792, 15128, 18490, 18910, 20984, 26230, 26660, 36980, 37820, 52460, 53320, 57319, 73960, 75640, 81313, 104920, 112789, 114638, 162626, 225578, 229276, 286595, 325252, 406565, 451156, 458552, 563945, 573190, 650504, 813130, 902312, 1127890, 1146380, 1626260, 2255780, 2292760, 3252520, 3496459, 4511560, 6992918, 13985836, 17482295, 27971672, 34964590, 69929180, 139858360]

約数ペア:

[(1, 139858360), (2, 69929180), (4, 34964590), (5, 27971672), (8, 17482295), (10, 13985836), (20, 6992918), (31, 4511560), (40, 3496459), (43, 3252520), (61, 2292760), (62, 2255780), (86, 1626260), (122, 1146380), (124, 1127890), (155, 902312), (172, 813130), (215, 650504), (244, 573190), (248, 563945), (305, 458552), (310, 451156), (344, 406565), (430, 325252), (488, 286595), (610, 229276), (620, 225578), (860, 162626), (1220, 114638), (1240, 112789), (1333, 104920), (1720, 81313), (1849, 75640), (1891, 73960), (2440, 57319), (2623, 53320), (2666, 52460), (3698, 37820), (3782, 36980), (5246, 26660), (5332, 26230), (6665, 20984), (7396, 18910), (7564, 18490), (9245, 15128), (9455, 14792), (10492, 13330), (10664, 13115)]