216309940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 613122048

約数和(自身を除く): 396812108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 31, 35, 44, 46, 55, 62, 70, 77, 92, 110, 115, 124, 140, 154, 155, 161, 197, 217, 220, 230, 253, 308, 310, 322, 341, 385, 394, 434, 460, 506, 620, 644, 682, 713, 770, 788, 805, 868, 985, 1012, 1085, 1265, 1364, 1379, 1426, 1540, 1610, 1705, 1771, 1970, 2167, 2170, 2387, 2530, 2758, 2852, 3220, 3410, 3542, 3565, 3940, 4334, 4340, 4531, 4774, 4991, 5060, 5516, 6107, 6820, 6895, 7084, 7130, 7843, 8668, 8855, 9062, 9548, 9982, 10835, 11935, 12214, 13790, 14260, 15169, 15686, 17710, 18124, 19964, 21670, 22655, 23870, 24428, 24955, 27580, 30338, 30535, 31372, 31717, 35420, 39215, 42749, 43340, 45310, 47740, 49841, 49910, 54901, 60676, 61070, 63434, 67177, 75845, 78430, 85498, 90620, 99682, 99820, 109802, 122140, 126868, 134354, 140461, 151690, 156860, 158585, 170996, 199364, 213745, 219604, 249205, 268708, 274505, 280922, 303380, 317170, 335885, 348887, 427490, 470239, 498410, 549010, 561844, 634340, 671770, 697774, 702305, 854980, 940478, 983227, 996820, 1098020, 1343540, 1395548, 1404610, 1545071, 1744435, 1880956, 1966454, 2351195, 2809220, 3090142, 3488870, 3932908, 4702390, 4916135, 6180284, 6977740, 7725355, 9404780, 9832270, 10815497, 15450710, 19664540, 21630994, 30901420, 43261988, 54077485, 108154970, 216309940]

約数ペア:

[(1, 216309940), (2, 108154970), (4, 54077485), (5, 43261988), (7, 30901420), (10, 21630994), (11, 19664540), (14, 15450710), (20, 10815497), (22, 9832270), (23, 9404780), (28, 7725355), (31, 6977740), (35, 6180284), (44, 4916135), (46, 4702390), (55, 3932908), (62, 3488870), (70, 3090142), (77, 2809220), (92, 2351195), (110, 1966454), (115, 1880956), (124, 1744435), (140, 1545071), (154, 1404610), (155, 1395548), (161, 1343540), (197, 1098020), (217, 996820), (220, 983227), (230, 940478), (253, 854980), (308, 702305), (310, 697774), (322, 671770), (341, 634340), (385, 561844), (394, 549010), (434, 498410), (460, 470239), (506, 427490), (620, 348887), (644, 335885), (682, 317170), (713, 303380), (770, 280922), (788, 274505), (805, 268708), (868, 249205), (985, 219604), (1012, 213745), (1085, 199364), (1265, 170996), (1364, 158585), (1379, 156860), (1426, 151690), (1540, 140461), (1610, 134354), (1705, 126868), (1771, 122140), (1970, 109802), (2167, 99820), (2170, 99682), (2387, 90620), (2530, 85498), (2758, 78430), (2852, 75845), (3220, 67177), (3410, 63434), (3542, 61070), (3565, 60676), (3940, 54901), (4334, 49910), (4340, 49841), (4531, 47740), (4774, 45310), (4991, 43340), (5060, 42749), (5516, 39215), (6107, 35420), (6820, 31717), (6895, 31372), (7084, 30535), (7130, 30338), (7843, 27580), (8668, 24955), (8855, 24428), (9062, 23870), (9548, 22655), (9982, 21670), (10835, 19964), (11935, 18124), (12214, 17710), (13790, 15686), (14260, 15169)]