202007780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 479582208

約数和(自身を除く): 277574428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 124, 130, 142, 155, 260, 284, 310, 353, 355, 403, 620, 706, 710, 806, 923, 1412, 1420, 1612, 1765, 1846, 2015, 2201, 3530, 3692, 4030, 4402, 4589, 4615, 7060, 8060, 8804, 9178, 9230, 10943, 11005, 18356, 18460, 21886, 22010, 22945, 25063, 28613, 43772, 44020, 45890, 50126, 54715, 57226, 91780, 100252, 109430, 114452, 125315, 142259, 143065, 218860, 250630, 284518, 286130, 325819, 501260, 569036, 572260, 651638, 711295, 776953, 1303276, 1422590, 1553906, 1629095, 2845180, 3107812, 3258190, 3884765, 6516380, 7769530, 10100389, 15539060, 20200778, 40401556, 50501945, 101003890, 202007780]

約数ペア:

[(1, 202007780), (2, 101003890), (4, 50501945), (5, 40401556), (10, 20200778), (13, 15539060), (20, 10100389), (26, 7769530), (31, 6516380), (52, 3884765), (62, 3258190), (65, 3107812), (71, 2845180), (124, 1629095), (130, 1553906), (142, 1422590), (155, 1303276), (260, 776953), (284, 711295), (310, 651638), (353, 572260), (355, 569036), (403, 501260), (620, 325819), (706, 286130), (710, 284518), (806, 250630), (923, 218860), (1412, 143065), (1420, 142259), (1612, 125315), (1765, 114452), (1846, 109430), (2015, 100252), (2201, 91780), (3530, 57226), (3692, 54715), (4030, 50126), (4402, 45890), (4589, 44020), (4615, 43772), (7060, 28613), (8060, 25063), (8804, 22945), (9178, 22010), (9230, 21886), (10943, 18460), (11005, 18356)]