201930420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197971}}^1$

素因数の和:198000

約数の個数: 48

約数和(自身を含む): 598667328

約数和(自身を除く): 396736908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 197971, 395942, 593913, 791884, 989855, 1187826, 1979710, 2375652, 2969565, 3365507, 3959420, 5939130, 6731014, 10096521, 11878260, 13462028, 16827535, 20193042, 33655070, 40386084, 50482605, 67310140, 100965210, 201930420]

約数ペア:

[(1, 201930420), (2, 100965210), (3, 67310140), (4, 50482605), (5, 40386084), (6, 33655070), (10, 20193042), (12, 16827535), (15, 13462028), (17, 11878260), (20, 10096521), (30, 6731014), (34, 5939130), (51, 3959420), (60, 3365507), (68, 2969565), (85, 2375652), (102, 1979710), (170, 1187826), (204, 989855), (255, 791884), (340, 593913), (510, 395942), (1020, 197971)]