31585900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 73995264

約数和(自身を除く): 42409364

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 155, 230, 310, 443, 460, 575, 620, 713, 775, 886, 1150, 1426, 1550, 1772, 2215, 2300, 2852, 3100, 3565, 4430, 7130, 8860, 10189, 11075, 13733, 14260, 17825, 20378, 22150, 27466, 35650, 40756, 44300, 50945, 54932, 68665, 71300, 101890, 137330, 203780, 254725, 274660, 315859, 343325, 509450, 631718, 686650, 1018900, 1263436, 1373300, 1579295, 3158590, 6317180, 7896475, 15792950, 31585900]

約数ペア:

[(1, 31585900), (2, 15792950), (4, 7896475), (5, 6317180), (10, 3158590), (20, 1579295), (23, 1373300), (25, 1263436), (31, 1018900), (46, 686650), (50, 631718), (62, 509450), (92, 343325), (100, 315859), (115, 274660), (124, 254725), (155, 203780), (230, 137330), (310, 101890), (443, 71300), (460, 68665), (575, 54932), (620, 50945), (713, 44300), (775, 40756), (886, 35650), (1150, 27466), (1426, 22150), (1550, 20378), (1772, 17825), (2215, 14260), (2300, 13733), (2852, 11075), (3100, 10189), (3565, 8860), (4430, 7130)]