313969700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3613}}^1$

素因数の和:3717

約数の個数: 72

約数和(自身を含む): 752868480

約数和(自身を除く): 438898780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 869, 1100, 1580, 1738, 1975, 3476, 3613, 3950, 4345, 7226, 7900, 8690, 14452, 17380, 18065, 21725, 36130, 39743, 43450, 72260, 79486, 86900, 90325, 158972, 180650, 198715, 285427, 361300, 397430, 570854, 794860, 993575, 1141708, 1427135, 1987150, 2854270, 3139697, 3974300, 5708540, 6279394, 7135675, 12558788, 14271350, 15698485, 28542700, 31396970, 62793940, 78492425, 156984850, 313969700]

約数ペア:

[(1, 313969700), (2, 156984850), (4, 78492425), (5, 62793940), (10, 31396970), (11, 28542700), (20, 15698485), (22, 14271350), (25, 12558788), (44, 7135675), (50, 6279394), (55, 5708540), (79, 3974300), (100, 3139697), (110, 2854270), (158, 1987150), (220, 1427135), (275, 1141708), (316, 993575), (395, 794860), (550, 570854), (790, 397430), (869, 361300), (1100, 285427), (1580, 198715), (1738, 180650), (1975, 158972), (3476, 90325), (3613, 86900), (3950, 79486), (4345, 72260), (7226, 43450), (7900, 39743), (8690, 36130), (14452, 21725), (17380, 18065)]