177972860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 422682624

約数和(自身を除く): 244709764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 124, 130, 142, 155, 260, 284, 310, 311, 355, 403, 620, 622, 710, 806, 923, 1244, 1420, 1555, 1612, 1846, 2015, 2201, 3110, 3692, 4030, 4043, 4402, 4615, 6220, 8060, 8086, 8804, 9230, 9641, 11005, 16172, 18460, 19282, 20215, 22010, 22081, 28613, 38564, 40430, 44020, 44162, 48205, 57226, 80860, 88324, 96410, 110405, 114452, 125333, 143065, 192820, 220810, 250666, 286130, 287053, 441620, 501332, 572260, 574106, 626665, 684511, 1148212, 1253330, 1369022, 1435265, 2506660, 2738044, 2870530, 3422555, 5741060, 6845110, 8898643, 13690220, 17797286, 35594572, 44493215, 88986430, 177972860]

約数ペア:

[(1, 177972860), (2, 88986430), (4, 44493215), (5, 35594572), (10, 17797286), (13, 13690220), (20, 8898643), (26, 6845110), (31, 5741060), (52, 3422555), (62, 2870530), (65, 2738044), (71, 2506660), (124, 1435265), (130, 1369022), (142, 1253330), (155, 1148212), (260, 684511), (284, 626665), (310, 574106), (311, 572260), (355, 501332), (403, 441620), (620, 287053), (622, 286130), (710, 250666), (806, 220810), (923, 192820), (1244, 143065), (1420, 125333), (1555, 114452), (1612, 110405), (1846, 96410), (2015, 88324), (2201, 80860), (3110, 57226), (3692, 48205), (4030, 44162), (4043, 44020), (4402, 40430), (4615, 38564), (6220, 28613), (8060, 22081), (8086, 22010), (8804, 20215), (9230, 19282), (9641, 18460), (11005, 16172)]