208148080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1887

約数の個数: 120

約数和(自身を含む): 582685920

約数和(自身を除く): 374537840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 980, 1015, 1160, 1421, 1624, 1831, 1960, 2030, 2320, 2842, 3248, 3662, 3920, 4060, 5684, 7105, 7324, 8120, 9155, 11368, 12817, 14210, 14648, 16240, 18310, 22736, 25634, 28420, 29296, 36620, 51268, 53099, 56840, 64085, 73240, 89719, 102536, 106198, 113680, 128170, 146480, 179438, 205072, 212396, 256340, 265495, 358876, 371693, 424792, 448595, 512680, 530990, 717752, 743386, 849584, 897190, 1025360, 1061980, 1435504, 1486772, 1794380, 1858465, 2123960, 2601851, 2973544, 3588760, 3716930, 4247920, 5203702, 5947088, 7177520, 7433860, 10407404, 13009255, 14867720, 20814808, 26018510, 29735440, 41629616, 52037020, 104074040, 208148080]

約数ペア:

[(1, 208148080), (2, 104074040), (4, 52037020), (5, 41629616), (7, 29735440), (8, 26018510), (10, 20814808), (14, 14867720), (16, 13009255), (20, 10407404), (28, 7433860), (29, 7177520), (35, 5947088), (40, 5203702), (49, 4247920), (56, 3716930), (58, 3588760), (70, 2973544), (80, 2601851), (98, 2123960), (112, 1858465), (116, 1794380), (140, 1486772), (145, 1435504), (196, 1061980), (203, 1025360), (232, 897190), (245, 849584), (280, 743386), (290, 717752), (392, 530990), (406, 512680), (464, 448595), (490, 424792), (560, 371693), (580, 358876), (784, 265495), (812, 256340), (980, 212396), (1015, 205072), (1160, 179438), (1421, 146480), (1624, 128170), (1831, 113680), (1960, 106198), (2030, 102536), (2320, 89719), (2842, 73240), (3248, 64085), (3662, 56840), (3920, 53099), (4060, 51268), (5684, 36620), (7105, 29296), (7324, 28420), (8120, 25634), (9155, 22736), (11368, 18310), (12817, 16240), (14210, 14648)]