200212900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 445846464

約数和(自身を除く): 245633564

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 163, 173, 284, 326, 346, 355, 652, 692, 710, 815, 865, 1420, 1630, 1730, 1775, 3260, 3460, 3550, 4075, 4325, 7100, 8150, 8650, 11573, 12283, 16300, 17300, 23146, 24566, 28199, 46292, 49132, 56398, 57865, 61415, 112796, 115730, 122830, 140995, 231460, 245660, 281990, 289325, 307075, 563980, 578650, 614150, 704975, 1157300, 1228300, 1409950, 2002129, 2819900, 4004258, 8008516, 10010645, 20021290, 40042580, 50053225, 100106450, 200212900]

約数ペア:

[(1, 200212900), (2, 100106450), (4, 50053225), (5, 40042580), (10, 20021290), (20, 10010645), (25, 8008516), (50, 4004258), (71, 2819900), (100, 2002129), (142, 1409950), (163, 1228300), (173, 1157300), (284, 704975), (326, 614150), (346, 578650), (355, 563980), (652, 307075), (692, 289325), (710, 281990), (815, 245660), (865, 231460), (1420, 140995), (1630, 122830), (1730, 115730), (1775, 112796), (3260, 61415), (3460, 57865), (3550, 56398), (4075, 49132), (4325, 46292), (7100, 28199), (8150, 24566), (8650, 23146), (11573, 17300), (12283, 16300)]