290145280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{929}}^1$

素因数の和:1015

約数の個数: 88

約数和(自身を含む): 708180120

約数和(自身を除く): 418034840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 929, 976, 1024, 1220, 1280, 1858, 1952, 2440, 2560, 3716, 3904, 4645, 4880, 5120, 7432, 7808, 9290, 9760, 14864, 15616, 18580, 19520, 29728, 31232, 37160, 39040, 56669, 59456, 62464, 74320, 78080, 113338, 118912, 148640, 156160, 226676, 237824, 283345, 297280, 312320, 453352, 475648, 566690, 594560, 906704, 951296, 1133380, 1189120, 1813408, 2266760, 2378240, 3626816, 4533520, 4756480, 7253632, 9067040, 14507264, 18134080, 29014528, 36268160, 58029056, 72536320, 145072640, 290145280]

約数ペア:

[(1, 290145280), (2, 145072640), (4, 72536320), (5, 58029056), (8, 36268160), (10, 29014528), (16, 18134080), (20, 14507264), (32, 9067040), (40, 7253632), (61, 4756480), (64, 4533520), (80, 3626816), (122, 2378240), (128, 2266760), (160, 1813408), (244, 1189120), (256, 1133380), (305, 951296), (320, 906704), (488, 594560), (512, 566690), (610, 475648), (640, 453352), (929, 312320), (976, 297280), (1024, 283345), (1220, 237824), (1280, 226676), (1858, 156160), (1952, 148640), (2440, 118912), (2560, 113338), (3716, 78080), (3904, 74320), (4645, 62464), (4880, 59456), (5120, 56669), (7432, 39040), (7808, 37160), (9290, 31232), (9760, 29728), (14864, 19520), (15616, 18580)]