389998830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{1321}}^1$

素因数の和:2101

約数の個数: 64

約数和(自身を含む): 1010092608

約数和(自身を除く): 620093778

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 757, 1321, 1514, 2271, 2642, 3785, 3963, 4542, 6605, 7570, 7926, 9841, 11355, 13210, 17173, 19682, 19815, 22710, 29523, 34346, 39630, 49205, 51519, 59046, 85865, 98410, 103038, 147615, 171730, 257595, 295230, 515190, 999997, 1999994, 2999991, 4999985, 5999982, 9999970, 12999961, 14999955, 25999922, 29999910, 38999883, 64999805, 77999766, 129999610, 194999415, 389998830]

約数ペア:

[(1, 389998830), (2, 194999415), (3, 129999610), (5, 77999766), (6, 64999805), (10, 38999883), (13, 29999910), (15, 25999922), (26, 14999955), (30, 12999961), (39, 9999970), (65, 5999982), (78, 4999985), (130, 2999991), (195, 1999994), (390, 999997), (757, 515190), (1321, 295230), (1514, 257595), (2271, 171730), (2642, 147615), (3785, 103038), (3963, 98410), (4542, 85865), (6605, 59046), (7570, 51519), (7926, 49205), (9841, 39630), (11355, 34346), (13210, 29523), (17173, 22710), (19682, 19815)]