121317140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 300303360

約数和(自身を除く): 178986220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1567, 1580, 2212, 2765, 3134, 3871, 5530, 6268, 7742, 7835, 10969, 11060, 15484, 15670, 19355, 21938, 31340, 38710, 43876, 54845, 76783, 77420, 109690, 123793, 153566, 219380, 247586, 307132, 383915, 495172, 618965, 767830, 866551, 1237930, 1535660, 1733102, 2475860, 3466204, 4332755, 6065857, 8665510, 12131714, 17331020, 24263428, 30329285, 60658570, 121317140]

約数ペア:

[(1, 121317140), (2, 60658570), (4, 30329285), (5, 24263428), (7, 17331020), (10, 12131714), (14, 8665510), (20, 6065857), (28, 4332755), (35, 3466204), (49, 2475860), (70, 1733102), (79, 1535660), (98, 1237930), (140, 866551), (158, 767830), (196, 618965), (245, 495172), (316, 383915), (395, 307132), (490, 247586), (553, 219380), (790, 153566), (980, 123793), (1106, 109690), (1567, 77420), (1580, 76783), (2212, 54845), (2765, 43876), (3134, 38710), (3871, 31340), (5530, 21938), (6268, 19355), (7742, 15670), (7835, 15484), (10969, 11060)]