189323980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3923}}^1$

素因数の和:4078

約数の個数: 48

約数和(自身を含む): 421908480

約数和(自身を除く): 232584500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 508, 635, 1270, 2413, 2540, 3923, 4826, 7846, 9652, 12065, 15692, 19615, 24130, 39230, 48260, 74537, 78460, 149074, 298148, 372685, 498221, 745370, 996442, 1490740, 1992884, 2491105, 4982210, 9466199, 9964420, 18932398, 37864796, 47330995, 94661990, 189323980]

約数ペア:

[(1, 189323980), (2, 94661990), (4, 47330995), (5, 37864796), (10, 18932398), (19, 9964420), (20, 9466199), (38, 4982210), (76, 2491105), (95, 1992884), (127, 1490740), (190, 996442), (254, 745370), (380, 498221), (508, 372685), (635, 298148), (1270, 149074), (2413, 78460), (2540, 74537), (3923, 48260), (4826, 39230), (7846, 24130), (9652, 19615), (12065, 15692)]