408029180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 979560960

約数和(自身を除く): 571531780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 151, 190, 247, 260, 302, 380, 494, 547, 604, 755, 988, 1094, 1235, 1510, 1963, 2188, 2470, 2735, 2869, 3020, 3926, 4940, 5470, 5738, 7111, 7852, 9815, 10393, 10940, 11476, 14222, 14345, 19630, 20786, 28444, 28690, 35555, 37297, 39260, 41572, 51965, 57380, 71110, 74594, 82597, 103930, 135109, 142220, 149188, 165194, 186485, 207860, 270218, 330388, 372970, 412985, 540436, 675545, 745940, 825970, 1073761, 1351090, 1569343, 1651940, 2147522, 2702180, 3138686, 4295044, 5368805, 6277372, 7846715, 10737610, 15693430, 20401459, 21475220, 31386860, 40802918, 81605836, 102007295, 204014590, 408029180]

約数ペア:

[(1, 408029180), (2, 204014590), (4, 102007295), (5, 81605836), (10, 40802918), (13, 31386860), (19, 21475220), (20, 20401459), (26, 15693430), (38, 10737610), (52, 7846715), (65, 6277372), (76, 5368805), (95, 4295044), (130, 3138686), (151, 2702180), (190, 2147522), (247, 1651940), (260, 1569343), (302, 1351090), (380, 1073761), (494, 825970), (547, 745940), (604, 675545), (755, 540436), (988, 412985), (1094, 372970), (1235, 330388), (1510, 270218), (1963, 207860), (2188, 186485), (2470, 165194), (2735, 149188), (2869, 142220), (3020, 135109), (3926, 103930), (4940, 82597), (5470, 74594), (5738, 71110), (7111, 57380), (7852, 51965), (9815, 41572), (10393, 39260), (10940, 37297), (11476, 35555), (14222, 28690), (14345, 28444), (19630, 20786)]