204867390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:874

約数の個数: 128

約数和(自身を含む): 611960832

約数和(自身を除く): 407093442

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 101, 105, 130, 182, 195, 202, 210, 273, 303, 390, 455, 505, 546, 606, 707, 743, 910, 1010, 1313, 1365, 1414, 1486, 1515, 2121, 2229, 2626, 2730, 3030, 3535, 3715, 3939, 4242, 4458, 5201, 6565, 7070, 7430, 7878, 9191, 9659, 10402, 10605, 11145, 13130, 15603, 18382, 19318, 19695, 21210, 22290, 26005, 27573, 28977, 31206, 39390, 45955, 48295, 52010, 55146, 57954, 67613, 75043, 78015, 91910, 96590, 135226, 137865, 144885, 150086, 156030, 202839, 225129, 275730, 289770, 338065, 375215, 405678, 450258, 525301, 676130, 750430, 975559, 1014195, 1050602, 1125645, 1575903, 1951118, 2028390, 2251290, 2626505, 2926677, 3151806, 4877795, 5253010, 5853354, 6828913, 7879515, 9755590, 13657826, 14633385, 15759030, 20486739, 29266770, 34144565, 40973478, 68289130, 102433695, 204867390]

約数ペア:

[(1, 204867390), (2, 102433695), (3, 68289130), (5, 40973478), (6, 34144565), (7, 29266770), (10, 20486739), (13, 15759030), (14, 14633385), (15, 13657826), (21, 9755590), (26, 7879515), (30, 6828913), (35, 5853354), (39, 5253010), (42, 4877795), (65, 3151806), (70, 2926677), (78, 2626505), (91, 2251290), (101, 2028390), (105, 1951118), (130, 1575903), (182, 1125645), (195, 1050602), (202, 1014195), (210, 975559), (273, 750430), (303, 676130), (390, 525301), (455, 450258), (505, 405678), (546, 375215), (606, 338065), (707, 289770), (743, 275730), (910, 225129), (1010, 202839), (1313, 156030), (1365, 150086), (1414, 144885), (1486, 137865), (1515, 135226), (2121, 96590), (2229, 91910), (2626, 78015), (2730, 75043), (3030, 67613), (3535, 57954), (3715, 55146), (3939, 52010), (4242, 48295), (4458, 45955), (5201, 39390), (6565, 31206), (7070, 28977), (7430, 27573), (7878, 26005), (9191, 22290), (9659, 21210), (10402, 19695), (10605, 19318), (11145, 18382), (13130, 15603)]