217635810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 624181248

約数和(自身を除く): 406545438

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 101, 105, 155, 186, 202, 210, 217, 303, 310, 331, 434, 465, 505, 606, 651, 662, 707, 930, 993, 1010, 1085, 1302, 1414, 1515, 1655, 1986, 2121, 2170, 2317, 3030, 3131, 3255, 3310, 3535, 4242, 4634, 4965, 6262, 6510, 6951, 7070, 9393, 9930, 10261, 10605, 11585, 13902, 15655, 18786, 20522, 21210, 21917, 23170, 30783, 31310, 33431, 34755, 43834, 46965, 51305, 61566, 65751, 66862, 69510, 71827, 93930, 100293, 102610, 109585, 131502, 143654, 153915, 167155, 200586, 215481, 219170, 234017, 307830, 328755, 334310, 359135, 430962, 468034, 501465, 657510, 702051, 718270, 1002930, 1036361, 1077405, 1170085, 1404102, 2072722, 2154810, 2340170, 3109083, 3510255, 5181805, 6218166, 7020510, 7254527, 10363610, 14509054, 15545415, 21763581, 31090830, 36272635, 43527162, 72545270, 108817905, 217635810]

約数ペア:

[(1, 217635810), (2, 108817905), (3, 72545270), (5, 43527162), (6, 36272635), (7, 31090830), (10, 21763581), (14, 15545415), (15, 14509054), (21, 10363610), (30, 7254527), (31, 7020510), (35, 6218166), (42, 5181805), (62, 3510255), (70, 3109083), (93, 2340170), (101, 2154810), (105, 2072722), (155, 1404102), (186, 1170085), (202, 1077405), (210, 1036361), (217, 1002930), (303, 718270), (310, 702051), (331, 657510), (434, 501465), (465, 468034), (505, 430962), (606, 359135), (651, 334310), (662, 328755), (707, 307830), (930, 234017), (993, 219170), (1010, 215481), (1085, 200586), (1302, 167155), (1414, 153915), (1515, 143654), (1655, 131502), (1986, 109585), (2121, 102610), (2170, 100293), (2317, 93930), (3030, 71827), (3131, 69510), (3255, 66862), (3310, 65751), (3535, 61566), (4242, 51305), (4634, 46965), (4965, 43834), (6262, 34755), (6510, 33431), (6951, 31310), (7070, 30783), (9393, 23170), (9930, 21917), (10261, 21210), (10605, 20522), (11585, 18786), (13902, 15655)]