189528420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 580547520

約数和(自身を除く): 391019100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 173, 186, 190, 228, 285, 310, 346, 372, 380, 465, 519, 570, 589, 620, 692, 865, 930, 961, 1038, 1140, 1178, 1730, 1767, 1860, 1922, 2076, 2356, 2595, 2883, 2945, 3287, 3460, 3534, 3844, 4805, 5190, 5363, 5766, 5890, 6574, 7068, 8835, 9610, 9861, 10380, 10726, 11532, 11780, 13148, 14415, 16089, 16435, 17670, 18259, 19220, 19722, 21452, 26815, 28830, 32178, 32870, 35340, 36518, 39444, 49305, 53630, 54777, 57660, 64356, 65740, 73036, 80445, 91295, 98610, 101897, 107260, 109554, 160890, 166253, 182590, 197220, 203794, 219108, 273885, 305691, 321780, 332506, 365180, 407588, 498759, 509485, 547770, 611382, 665012, 831265, 997518, 1018970, 1095540, 1222764, 1528455, 1662530, 1995036, 2037940, 2493795, 3056910, 3158807, 3325060, 4987590, 6113820, 6317614, 9476421, 9975180, 12635228, 15794035, 18952842, 31588070, 37905684, 47382105, 63176140, 94764210, 189528420]

約数ペア:

[(1, 189528420), (2, 94764210), (3, 63176140), (4, 47382105), (5, 37905684), (6, 31588070), (10, 18952842), (12, 15794035), (15, 12635228), (19, 9975180), (20, 9476421), (30, 6317614), (31, 6113820), (38, 4987590), (57, 3325060), (60, 3158807), (62, 3056910), (76, 2493795), (93, 2037940), (95, 1995036), (114, 1662530), (124, 1528455), (155, 1222764), (173, 1095540), (186, 1018970), (190, 997518), (228, 831265), (285, 665012), (310, 611382), (346, 547770), (372, 509485), (380, 498759), (465, 407588), (519, 365180), (570, 332506), (589, 321780), (620, 305691), (692, 273885), (865, 219108), (930, 203794), (961, 197220), (1038, 182590), (1140, 166253), (1178, 160890), (1730, 109554), (1767, 107260), (1860, 101897), (1922, 98610), (2076, 91295), (2356, 80445), (2595, 73036), (2883, 65740), (2945, 64356), (3287, 57660), (3460, 54777), (3534, 53630), (3844, 49305), (4805, 39444), (5190, 36518), (5363, 35340), (5766, 32870), (5890, 32178), (6574, 28830), (7068, 26815), (8835, 21452), (9610, 19722), (9861, 19220), (10380, 18259), (10726, 17670), (11532, 16435), (11780, 16089), (13148, 14415)]