850374640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18047}}^1$

素因数の和:18110

約数の個数: 80

約数和(自身を含む): 2148433920

約数和(自身を除く): 1298059280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 18047, 23560, 36094, 47120, 72188, 90235, 144376, 180470, 288752, 342893, 360940, 559457, 685786, 721880, 1118914, 1371572, 1443760, 1714465, 2237828, 2743144, 2797285, 3428930, 4475656, 5486288, 5594570, 6857860, 8951312, 10629683, 11189140, 13715720, 21259366, 22378280, 27431440, 42518732, 44756560, 53148415, 85037464, 106296830, 170074928, 212593660, 425187320, 850374640]

約数ペア:

[(1, 850374640), (2, 425187320), (4, 212593660), (5, 170074928), (8, 106296830), (10, 85037464), (16, 53148415), (19, 44756560), (20, 42518732), (31, 27431440), (38, 22378280), (40, 21259366), (62, 13715720), (76, 11189140), (80, 10629683), (95, 8951312), (124, 6857860), (152, 5594570), (155, 5486288), (190, 4475656), (248, 3428930), (304, 2797285), (310, 2743144), (380, 2237828), (496, 1714465), (589, 1443760), (620, 1371572), (760, 1118914), (1178, 721880), (1240, 685786), (1520, 559457), (2356, 360940), (2480, 342893), (2945, 288752), (4712, 180470), (5890, 144376), (9424, 90235), (11780, 72188), (18047, 47120), (23560, 36094)]