149935220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 337818600

約数和(自身を除く): 187883380

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 269, 290, 310, 538, 580, 620, 899, 961, 1076, 1345, 1798, 1922, 2690, 3596, 3844, 4495, 4805, 5380, 7801, 8339, 8990, 9610, 15602, 16678, 17980, 19220, 27869, 31204, 33356, 39005, 41695, 55738, 78010, 83390, 111476, 139345, 156020, 166780, 241831, 258509, 278690, 483662, 517018, 557380, 967324, 1034036, 1209155, 1292545, 2418310, 2585090, 4836620, 5170180, 7496761, 14993522, 29987044, 37483805, 74967610, 149935220]

約数ペア:

[(1, 149935220), (2, 74967610), (4, 37483805), (5, 29987044), (10, 14993522), (20, 7496761), (29, 5170180), (31, 4836620), (58, 2585090), (62, 2418310), (116, 1292545), (124, 1209155), (145, 1034036), (155, 967324), (269, 557380), (290, 517018), (310, 483662), (538, 278690), (580, 258509), (620, 241831), (899, 166780), (961, 156020), (1076, 139345), (1345, 111476), (1798, 83390), (1922, 78010), (2690, 55738), (3596, 41695), (3844, 39005), (4495, 33356), (4805, 31204), (5380, 27869), (7801, 19220), (8339, 17980), (8990, 16678), (9610, 15602)]