291172980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 192

約数和(自身を含む): 982420992

約数和(自身を除く): 691248012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 41, 42, 60, 70, 74, 82, 84, 105, 111, 123, 140, 148, 164, 185, 205, 210, 222, 246, 259, 287, 370, 410, 420, 444, 457, 492, 518, 555, 574, 615, 740, 777, 820, 861, 914, 1036, 1110, 1148, 1230, 1295, 1371, 1435, 1517, 1554, 1722, 1828, 2220, 2285, 2460, 2590, 2742, 2870, 3034, 3108, 3199, 3444, 3885, 4305, 4551, 4570, 5180, 5484, 5740, 6068, 6398, 6855, 7585, 7770, 8610, 9102, 9140, 9597, 10619, 12796, 13710, 15170, 15540, 15995, 16909, 17220, 18204, 18737, 19194, 21238, 22755, 27420, 30340, 31857, 31990, 33818, 37474, 38388, 42476, 45510, 47985, 50727, 53095, 56211, 63714, 63980, 67636, 74948, 84545, 91020, 93685, 95970, 101454, 106190, 112422, 118363, 127428, 131159, 159285, 169090, 187370, 191940, 202908, 212380, 224844, 236726, 253635, 262318, 281055, 318570, 338180, 355089, 374740, 393477, 473452, 507270, 524636, 562110, 591815, 637140, 655795, 693269, 710178, 786954, 1014540, 1124220, 1183630, 1311590, 1386538, 1420356, 1573908, 1775445, 1967385, 2079807, 2367260, 2623180, 2773076, 3466345, 3550890, 3934770, 4159614, 4852883, 6932690, 7101780, 7869540, 8319228, 9705766, 10399035, 13865380, 14558649, 19411532, 20798070, 24264415, 29117298, 41596140, 48528830, 58234596, 72793245, 97057660, 145586490, 291172980]

約数ペア:

[(1, 291172980), (2, 145586490), (3, 97057660), (4, 72793245), (5, 58234596), (6, 48528830), (7, 41596140), (10, 29117298), (12, 24264415), (14, 20798070), (15, 19411532), (20, 14558649), (21, 13865380), (28, 10399035), (30, 9705766), (35, 8319228), (37, 7869540), (41, 7101780), (42, 6932690), (60, 4852883), (70, 4159614), (74, 3934770), (82, 3550890), (84, 3466345), (105, 2773076), (111, 2623180), (123, 2367260), (140, 2079807), (148, 1967385), (164, 1775445), (185, 1573908), (205, 1420356), (210, 1386538), (222, 1311590), (246, 1183630), (259, 1124220), (287, 1014540), (370, 786954), (410, 710178), (420, 693269), (444, 655795), (457, 637140), (492, 591815), (518, 562110), (555, 524636), (574, 507270), (615, 473452), (740, 393477), (777, 374740), (820, 355089), (861, 338180), (914, 318570), (1036, 281055), (1110, 262318), (1148, 253635), (1230, 236726), (1295, 224844), (1371, 212380), (1435, 202908), (1517, 191940), (1554, 187370), (1722, 169090), (1828, 159285), (2220, 131159), (2285, 127428), (2460, 118363), (2590, 112422), (2742, 106190), (2870, 101454), (3034, 95970), (3108, 93685), (3199, 91020), (3444, 84545), (3885, 74948), (4305, 67636), (4551, 63980), (4570, 63714), (5180, 56211), (5484, 53095), (5740, 50727), (6068, 47985), (6398, 45510), (6855, 42476), (7585, 38388), (7770, 37474), (8610, 33818), (9102, 31990), (9140, 31857), (9597, 30340), (10619, 27420), (12796, 22755), (13710, 21238), (15170, 19194), (15540, 18737), (15995, 18204), (16909, 17220)]