900658840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{7043}}^1$

素因数の和:7216

約数の個数: 64

約数和(自身を含む): 2130105600

約数和(自身を除く): 1229446760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 2780, 3197, 5560, 6394, 7043, 12788, 14086, 15985, 25576, 28172, 31970, 35215, 56344, 63940, 70430, 127880, 140860, 161989, 281720, 323978, 647956, 809945, 978977, 1295912, 1619890, 1957954, 3239780, 3915908, 4894885, 6479560, 7831816, 9789770, 19579540, 22516471, 39159080, 45032942, 90065884, 112582355, 180131768, 225164710, 450329420, 900658840]

約数ペア:

[(1, 900658840), (2, 450329420), (4, 225164710), (5, 180131768), (8, 112582355), (10, 90065884), (20, 45032942), (23, 39159080), (40, 22516471), (46, 19579540), (92, 9789770), (115, 7831816), (139, 6479560), (184, 4894885), (230, 3915908), (278, 3239780), (460, 1957954), (556, 1619890), (695, 1295912), (920, 978977), (1112, 809945), (1390, 647956), (2780, 323978), (3197, 281720), (5560, 161989), (6394, 140860), (7043, 127880), (12788, 70430), (14086, 63940), (15985, 56344), (25576, 35215), (28172, 31970)]