871720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 64

約数和(自身を含む): 2188800

約数和(自身を除く): 1317080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 37, 38, 40, 62, 74, 76, 95, 124, 148, 152, 155, 185, 190, 248, 296, 310, 370, 380, 589, 620, 703, 740, 760, 1147, 1178, 1240, 1406, 1480, 2294, 2356, 2812, 2945, 3515, 4588, 4712, 5624, 5735, 5890, 7030, 9176, 11470, 11780, 14060, 21793, 22940, 23560, 28120, 43586, 45880, 87172, 108965, 174344, 217930, 435860, 871720]

約数ペア:

[(1, 871720), (2, 435860), (4, 217930), (5, 174344), (8, 108965), (10, 87172), (19, 45880), (20, 43586), (31, 28120), (37, 23560), (38, 22940), (40, 21793), (62, 14060), (74, 11780), (76, 11470), (95, 9176), (124, 7030), (148, 5890), (152, 5735), (155, 5624), (185, 4712), (190, 4588), (248, 3515), (296, 2945), (310, 2812), (370, 2356), (380, 2294), (589, 1480), (620, 1406), (703, 1240), (740, 1178), (760, 1147)]