189742940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 434972160

約数和(自身を除く): 245229220

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 61, 62, 116, 122, 124, 145, 155, 173, 244, 290, 305, 310, 346, 580, 610, 620, 692, 865, 899, 1220, 1730, 1769, 1798, 1891, 3460, 3538, 3596, 3782, 4495, 5017, 5363, 7076, 7564, 8845, 8990, 9455, 10034, 10553, 10726, 17690, 17980, 18910, 20068, 21106, 21452, 25085, 26815, 35380, 37820, 42212, 50170, 52765, 53630, 54839, 100340, 105530, 107260, 109678, 155527, 211060, 219356, 274195, 306037, 311054, 327143, 548390, 612074, 622108, 654286, 777635, 1096780, 1224148, 1308572, 1530185, 1555270, 1635715, 3060370, 3110540, 3271430, 6120740, 6542860, 9487147, 18974294, 37948588, 47435735, 94871470, 189742940]

約数ペア:

[(1, 189742940), (2, 94871470), (4, 47435735), (5, 37948588), (10, 18974294), (20, 9487147), (29, 6542860), (31, 6120740), (58, 3271430), (61, 3110540), (62, 3060370), (116, 1635715), (122, 1555270), (124, 1530185), (145, 1308572), (155, 1224148), (173, 1096780), (244, 777635), (290, 654286), (305, 622108), (310, 612074), (346, 548390), (580, 327143), (610, 311054), (620, 306037), (692, 274195), (865, 219356), (899, 211060), (1220, 155527), (1730, 109678), (1769, 107260), (1798, 105530), (1891, 100340), (3460, 54839), (3538, 53630), (3596, 52765), (3782, 50170), (4495, 42212), (5017, 37820), (5363, 35380), (7076, 26815), (7564, 25085), (8845, 21452), (8990, 21106), (9455, 20068), (10034, 18910), (10553, 17980), (10726, 17690)]