398498856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{953}}^1$

素因数の和:1119

約数の個数: 128

約数和(自身を含む): 1208908800

約数和(自身を除く): 810409944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 131, 133, 152, 168, 228, 262, 266, 393, 399, 456, 524, 532, 786, 798, 917, 953, 1048, 1064, 1572, 1596, 1834, 1906, 2489, 2751, 2859, 3144, 3192, 3668, 3812, 4978, 5502, 5718, 6671, 7336, 7467, 7624, 9956, 11004, 11436, 13342, 14934, 17423, 18107, 19912, 20013, 22008, 22872, 26684, 29868, 34846, 36214, 40026, 52269, 53368, 54321, 59736, 69692, 72428, 80052, 104538, 108642, 124843, 126749, 139384, 144856, 160104, 209076, 217284, 249686, 253498, 374529, 380247, 418152, 434568, 499372, 506996, 749058, 760494, 873901, 998744, 1013992, 1498116, 1520988, 1747802, 2372017, 2621703, 2996232, 3041976, 3495604, 4744034, 5243406, 6991208, 7116051, 9488068, 10486812, 14232102, 16604119, 18976136, 20973624, 28464204, 33208238, 49812357, 56928408, 66416476, 99624714, 132832952, 199249428, 398498856]

約数ペア:

[(1, 398498856), (2, 199249428), (3, 132832952), (4, 99624714), (6, 66416476), (7, 56928408), (8, 49812357), (12, 33208238), (14, 28464204), (19, 20973624), (21, 18976136), (24, 16604119), (28, 14232102), (38, 10486812), (42, 9488068), (56, 7116051), (57, 6991208), (76, 5243406), (84, 4744034), (114, 3495604), (131, 3041976), (133, 2996232), (152, 2621703), (168, 2372017), (228, 1747802), (262, 1520988), (266, 1498116), (393, 1013992), (399, 998744), (456, 873901), (524, 760494), (532, 749058), (786, 506996), (798, 499372), (917, 434568), (953, 418152), (1048, 380247), (1064, 374529), (1572, 253498), (1596, 249686), (1834, 217284), (1906, 209076), (2489, 160104), (2751, 144856), (2859, 139384), (3144, 126749), (3192, 124843), (3668, 108642), (3812, 104538), (4978, 80052), (5502, 72428), (5718, 69692), (6671, 59736), (7336, 54321), (7467, 53368), (7624, 52269), (9956, 40026), (11004, 36214), (11436, 34846), (13342, 29868), (14934, 26684), (17423, 22872), (18107, 22008), (19912, 20013)]