204283820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3235

約数の個数: 72

約数和(自身を含む): 489137040

約数和(自身を除く): 284853220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2470, 3181, 3211, 3380, 4940, 6362, 6422, 12724, 12844, 15905, 16055, 31810, 32110, 41353, 60439, 63620, 64220, 82706, 120878, 165412, 206765, 241756, 302195, 413530, 537589, 604390, 785707, 827060, 1075178, 1208780, 1571414, 2150356, 2687945, 3142828, 3928535, 5375890, 7857070, 10214191, 10751780, 15714140, 20428382, 40856764, 51070955, 102141910, 204283820]

約数ペア:

[(1, 204283820), (2, 102141910), (4, 51070955), (5, 40856764), (10, 20428382), (13, 15714140), (19, 10751780), (20, 10214191), (26, 7857070), (38, 5375890), (52, 3928535), (65, 3142828), (76, 2687945), (95, 2150356), (130, 1571414), (169, 1208780), (190, 1075178), (247, 827060), (260, 785707), (338, 604390), (380, 537589), (494, 413530), (676, 302195), (845, 241756), (988, 206765), (1235, 165412), (1690, 120878), (2470, 82706), (3181, 64220), (3211, 63620), (3380, 60439), (4940, 41353), (6362, 32110), (6422, 31810), (12724, 16055), (12844, 15905)]