839968390820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{219757}}^1$

素因数の和:220081

約数の個数: 96

約数和(自身を含む): 1938782430816

約数和(自身を除く): 1098814039996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 241, 244, 260, 305, 482, 610, 793, 964, 1205, 1220, 1586, 2410, 3133, 3172, 3965, 4820, 6266, 7930, 12532, 14701, 15665, 15860, 29402, 31330, 58804, 62660, 73505, 147010, 191113, 219757, 294020, 382226, 439514, 764452, 879028, 955565, 1098785, 1911130, 2197570, 2856841, 3822260, 4395140, 5713682, 11427364, 13405177, 14284205, 26810354, 28568410, 52961437, 53620708, 57136820, 67025885, 105922874, 134051770, 174267301, 211845748, 264807185, 268103540, 348534602, 529614370, 688498681, 697069204, 871336505, 1059228740, 1376997362, 1742673010, 2753994724, 3230647657, 3442493405, 3485346020, 6461295314, 6884986810, 12922590628, 13769973620, 16153238285, 32306476570, 41998419541, 64612953140, 83996839082, 167993678164, 209992097705, 419984195410, 839968390820]

約数ペア:

[(1, 839968390820), (2, 419984195410), (4, 209992097705), (5, 167993678164), (10, 83996839082), (13, 64612953140), (20, 41998419541), (26, 32306476570), (52, 16153238285), (61, 13769973620), (65, 12922590628), (122, 6884986810), (130, 6461295314), (241, 3485346020), (244, 3442493405), (260, 3230647657), (305, 2753994724), (482, 1742673010), (610, 1376997362), (793, 1059228740), (964, 871336505), (1205, 697069204), (1220, 688498681), (1586, 529614370), (2410, 348534602), (3133, 268103540), (3172, 264807185), (3965, 211845748), (4820, 174267301), (6266, 134051770), (7930, 105922874), (12532, 67025885), (14701, 57136820), (15665, 53620708), (15860, 52961437), (29402, 28568410), (31330, 26810354), (58804, 14284205), (62660, 13405177), (73505, 11427364), (147010, 5713682), (191113, 4395140), (219757, 3822260), (294020, 2856841), (382226, 2197570), (439514, 1911130), (764452, 1098785), (879028, 955565)]