139888840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38431}}^1$

素因数の和:38462

約数の個数: 64

約数和(自身を含む): 387394560

約数和(自身を除く): 247505720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 38431, 76862, 153724, 192155, 269017, 307448, 384310, 499603, 538034, 768620, 999206, 1076068, 1345085, 1537240, 1998412, 2152136, 2498015, 2690170, 3497221, 3996824, 4996030, 5380340, 6994442, 9992060, 10760680, 13988884, 17486105, 19984120, 27977768, 34972210, 69944420, 139888840]

約数ペア:

[(1, 139888840), (2, 69944420), (4, 34972210), (5, 27977768), (7, 19984120), (8, 17486105), (10, 13988884), (13, 10760680), (14, 9992060), (20, 6994442), (26, 5380340), (28, 4996030), (35, 3996824), (40, 3497221), (52, 2690170), (56, 2498015), (65, 2152136), (70, 1998412), (91, 1537240), (104, 1345085), (130, 1076068), (140, 999206), (182, 768620), (260, 538034), (280, 499603), (364, 384310), (455, 307448), (520, 269017), (728, 192155), (910, 153724), (1820, 76862), (3640, 38431)]