400399920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29269}}^1$

素因数の和:29307

約数の個数: 120

約数和(自身を含む): 1415497200

約数和(自身を除く): 1015097280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 29269, 58538, 87807, 117076, 146345, 175614, 234152, 263421, 292690, 351228, 439035, 468304, 526842, 556111, 585380, 702456, 878070, 1053684, 1112222, 1170760, 1317105, 1404912, 1668333, 1756140, 2107368, 2224444, 2341520, 2634210, 2780555, 3336666, 3512280, 4214736, 4448888, 5004999, 5268420, 5561110, 6673332, 7024560, 8341665, 8897776, 10009998, 10536840, 11122220, 13346664, 16683330, 20019996, 21073680, 22244440, 25024995, 26693328, 33366660, 40039992, 44488880, 50049990, 66733320, 80079984, 100099980, 133466640, 200199960, 400399920]

約数ペア:

[(1, 400399920), (2, 200199960), (3, 133466640), (4, 100099980), (5, 80079984), (6, 66733320), (8, 50049990), (9, 44488880), (10, 40039992), (12, 33366660), (15, 26693328), (16, 25024995), (18, 22244440), (19, 21073680), (20, 20019996), (24, 16683330), (30, 13346664), (36, 11122220), (38, 10536840), (40, 10009998), (45, 8897776), (48, 8341665), (57, 7024560), (60, 6673332), (72, 5561110), (76, 5268420), (80, 5004999), (90, 4448888), (95, 4214736), (114, 3512280), (120, 3336666), (144, 2780555), (152, 2634210), (171, 2341520), (180, 2224444), (190, 2107368), (228, 1756140), (240, 1668333), (285, 1404912), (304, 1317105), (342, 1170760), (360, 1112222), (380, 1053684), (456, 878070), (570, 702456), (684, 585380), (720, 556111), (760, 526842), (855, 468304), (912, 439035), (1140, 351228), (1368, 292690), (1520, 263421), (1710, 234152), (2280, 175614), (2736, 146345), (3420, 117076), (4560, 87807), (6840, 58538), (13680, 29269)]