221341488

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7829}}^1$

素因数の和:7890

約数の個数: 80

約数和(自身を含む): 621388800

約数和(自身を除く): 400047312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 7829, 9424, 14136, 15658, 23487, 28272, 31316, 46974, 62632, 93948, 125264, 148751, 187896, 242699, 297502, 375792, 446253, 485398, 595004, 728097, 892506, 970796, 1190008, 1456194, 1785012, 1941592, 2380016, 2912388, 3570024, 3883184, 4611281, 5824776, 7140048, 9222562, 11649552, 13833843, 18445124, 27667686, 36890248, 55335372, 73780496, 110670744, 221341488]

約数ペア:

[(1, 221341488), (2, 110670744), (3, 73780496), (4, 55335372), (6, 36890248), (8, 27667686), (12, 18445124), (16, 13833843), (19, 11649552), (24, 9222562), (31, 7140048), (38, 5824776), (48, 4611281), (57, 3883184), (62, 3570024), (76, 2912388), (93, 2380016), (114, 1941592), (124, 1785012), (152, 1456194), (186, 1190008), (228, 970796), (248, 892506), (304, 728097), (372, 595004), (456, 485398), (496, 446253), (589, 375792), (744, 297502), (912, 242699), (1178, 187896), (1488, 148751), (1767, 125264), (2356, 93948), (3534, 62632), (4712, 46974), (7068, 31316), (7829, 28272), (9424, 23487), (14136, 15658)]