491275590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:606

約数の個数: 128

約数和(自身を含む): 1347978240

約数和(自身を除く): 856702650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 167, 190, 195, 247, 285, 334, 390, 397, 494, 501, 570, 741, 794, 835, 1002, 1191, 1235, 1482, 1670, 1985, 2171, 2382, 2470, 2505, 3173, 3705, 3970, 4342, 5010, 5161, 5955, 6346, 6513, 7410, 7543, 9519, 10322, 10855, 11910, 13026, 15086, 15483, 15865, 19038, 21710, 22629, 25805, 30966, 31730, 32565, 37715, 41249, 45258, 47595, 51610, 65130, 66299, 75430, 77415, 82498, 95190, 98059, 113145, 123747, 132598, 154830, 196118, 198897, 206245, 226290, 247494, 294177, 331495, 397794, 412490, 490295, 588354, 618735, 662990, 861887, 980590, 994485, 1237470, 1259681, 1470885, 1723774, 1988970, 2519362, 2585661, 2941770, 3779043, 4309435, 5171322, 6298405, 7558086, 8618870, 12596810, 12928305, 16375853, 18895215, 25856610, 32751706, 37790430, 49127559, 81879265, 98255118, 163758530, 245637795, 491275590]

約数ペア:

[(1, 491275590), (2, 245637795), (3, 163758530), (5, 98255118), (6, 81879265), (10, 49127559), (13, 37790430), (15, 32751706), (19, 25856610), (26, 18895215), (30, 16375853), (38, 12928305), (39, 12596810), (57, 8618870), (65, 7558086), (78, 6298405), (95, 5171322), (114, 4309435), (130, 3779043), (167, 2941770), (190, 2585661), (195, 2519362), (247, 1988970), (285, 1723774), (334, 1470885), (390, 1259681), (397, 1237470), (494, 994485), (501, 980590), (570, 861887), (741, 662990), (794, 618735), (835, 588354), (1002, 490295), (1191, 412490), (1235, 397794), (1482, 331495), (1670, 294177), (1985, 247494), (2171, 226290), (2382, 206245), (2470, 198897), (2505, 196118), (3173, 154830), (3705, 132598), (3970, 123747), (4342, 113145), (5010, 98059), (5161, 95190), (5955, 82498), (6346, 77415), (6513, 75430), (7410, 66299), (7543, 65130), (9519, 51610), (10322, 47595), (10855, 45258), (11910, 41249), (13026, 37715), (15086, 32565), (15483, 31730), (15865, 30966), (19038, 25805), (21710, 22629)]