420706936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 869652000

約数和(自身を除く): 448945064

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 173, 268, 346, 349, 536, 692, 698, 871, 1384, 1396, 1742, 2249, 2792, 3484, 4498, 4537, 6968, 8996, 9074, 11591, 17992, 18148, 23182, 23383, 36296, 46364, 46766, 60377, 92728, 93532, 120754, 150683, 187064, 241508, 301366, 303979, 483016, 602732, 607958, 784901, 1205464, 1215916, 1569802, 2431832, 3139604, 4045259, 6279208, 8090518, 16181036, 32362072, 52588367, 105176734, 210353468, 420706936]

約数ペア:

[(1, 420706936), (2, 210353468), (4, 105176734), (8, 52588367), (13, 32362072), (26, 16181036), (52, 8090518), (67, 6279208), (104, 4045259), (134, 3139604), (173, 2431832), (268, 1569802), (346, 1215916), (349, 1205464), (536, 784901), (692, 607958), (698, 602732), (871, 483016), (1384, 303979), (1396, 301366), (1742, 241508), (2249, 187064), (2792, 150683), (3484, 120754), (4498, 93532), (4537, 92728), (6968, 60377), (8996, 46766), (9074, 46364), (11591, 36296), (17992, 23383), (18148, 23182)]