210239180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 479163888

約数和(自身を除く): 268924708

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 361, 370, 380, 703, 722, 740, 787, 1406, 1444, 1574, 1805, 2812, 3148, 3515, 3610, 3935, 7030, 7220, 7870, 13357, 14060, 14953, 15740, 26714, 29119, 29906, 53428, 58238, 59812, 66785, 74765, 116476, 133570, 145595, 149530, 267140, 284107, 291190, 299060, 553261, 568214, 582380, 1106522, 1136428, 1420535, 2213044, 2766305, 2841070, 5532610, 5682140, 10511959, 11065220, 21023918, 42047836, 52559795, 105119590, 210239180]

約数ペア:

[(1, 210239180), (2, 105119590), (4, 52559795), (5, 42047836), (10, 21023918), (19, 11065220), (20, 10511959), (37, 5682140), (38, 5532610), (74, 2841070), (76, 2766305), (95, 2213044), (148, 1420535), (185, 1136428), (190, 1106522), (361, 582380), (370, 568214), (380, 553261), (703, 299060), (722, 291190), (740, 284107), (787, 267140), (1406, 149530), (1444, 145595), (1574, 133570), (1805, 116476), (2812, 74765), (3148, 66785), (3515, 59812), (3610, 58238), (3935, 53428), (7030, 29906), (7220, 29119), (7870, 26714), (13357, 15740), (14060, 14953)]