1978281740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{7369}}^1$

素因数の和:7842

約数の個数: 48

約数和(自身を含む): 4298891520

約数和(自身を除く): 2320609780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 433, 620, 866, 1732, 2165, 4330, 7369, 8660, 13423, 14738, 26846, 29476, 36845, 53692, 67115, 73690, 134230, 147380, 228439, 268460, 456878, 913756, 1142195, 2284390, 3190777, 4568780, 6381554, 12763108, 15953885, 31907770, 63815540, 98914087, 197828174, 395656348, 494570435, 989140870, 1978281740]

約数ペア:

[(1, 1978281740), (2, 989140870), (4, 494570435), (5, 395656348), (10, 197828174), (20, 98914087), (31, 63815540), (62, 31907770), (124, 15953885), (155, 12763108), (310, 6381554), (433, 4568780), (620, 3190777), (866, 2284390), (1732, 1142195), (2165, 913756), (4330, 456878), (7369, 268460), (8660, 228439), (13423, 147380), (14738, 134230), (26846, 73690), (29476, 67115), (36845, 53692)]