78143390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1917

約数の個数: 64

約数和(自身を含む): 168920640

約数和(自身を除く): 90777250

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 1861, 2210, 2470, 3230, 3722, 4199, 8398, 9305, 18610, 20995, 24193, 31637, 35359, 41990, 48386, 63274, 70718, 120965, 158185, 176795, 241930, 316370, 353590, 411281, 459667, 601103, 822562, 919334, 1202206, 2056405, 2298335, 3005515, 4112810, 4596670, 6011030, 7814339, 15628678, 39071695, 78143390]

約数ペア:

[(1, 78143390), (2, 39071695), (5, 15628678), (10, 7814339), (13, 6011030), (17, 4596670), (19, 4112810), (26, 3005515), (34, 2298335), (38, 2056405), (65, 1202206), (85, 919334), (95, 822562), (130, 601103), (170, 459667), (190, 411281), (221, 353590), (247, 316370), (323, 241930), (442, 176795), (494, 158185), (646, 120965), (1105, 70718), (1235, 63274), (1615, 48386), (1861, 41990), (2210, 35359), (2470, 31637), (3230, 24193), (3722, 20995), (4199, 18610), (8398, 9305)]