427730140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{1489}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 919175040

約数和(自身を除く): 491444900

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 271, 530, 542, 1060, 1084, 1355, 1489, 2710, 2978, 5420, 5956, 7445, 14363, 14890, 28726, 29780, 57452, 71815, 78917, 143630, 157834, 287260, 315668, 394585, 403519, 789170, 807038, 1578340, 1614076, 2017595, 4035190, 8070380, 21386507, 42773014, 85546028, 106932535, 213865070, 427730140]

約数ペア:

[(1, 427730140), (2, 213865070), (4, 106932535), (5, 85546028), (10, 42773014), (20, 21386507), (53, 8070380), (106, 4035190), (212, 2017595), (265, 1614076), (271, 1578340), (530, 807038), (542, 789170), (1060, 403519), (1084, 394585), (1355, 315668), (1489, 287260), (2710, 157834), (2978, 143630), (5420, 78917), (5956, 71815), (7445, 57452), (14363, 29780), (14890, 28726)]