1080787100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{787}}^1$

素因数の和:1275

約数の個数: 72

約数和(自身を含む): 2429511168

約数和(自身を除く): 1348724068

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 443, 620, 775, 787, 886, 1550, 1574, 1772, 2215, 3100, 3148, 3935, 4430, 7870, 8860, 11075, 13733, 15740, 19675, 22150, 24397, 27466, 39350, 44300, 48794, 54932, 68665, 78700, 97588, 121985, 137330, 243970, 274660, 343325, 348641, 487940, 609925, 686650, 697282, 1219850, 1373300, 1394564, 1743205, 2439700, 3486410, 6972820, 8716025, 10807871, 17432050, 21615742, 34864100, 43231484, 54039355, 108078710, 216157420, 270196775, 540393550, 1080787100]

約数ペア:

[(1, 1080787100), (2, 540393550), (4, 270196775), (5, 216157420), (10, 108078710), (20, 54039355), (25, 43231484), (31, 34864100), (50, 21615742), (62, 17432050), (100, 10807871), (124, 8716025), (155, 6972820), (310, 3486410), (443, 2439700), (620, 1743205), (775, 1394564), (787, 1373300), (886, 1219850), (1550, 697282), (1574, 686650), (1772, 609925), (2215, 487940), (3100, 348641), (3148, 343325), (3935, 274660), (4430, 243970), (7870, 137330), (8860, 121985), (11075, 97588), (13733, 78700), (15740, 68665), (19675, 54932), (22150, 48794), (24397, 44300), (27466, 39350)]