196890920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 492825600

約数和(自身を除く): 295934680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 61, 62, 76, 95, 122, 124, 137, 152, 155, 190, 244, 248, 274, 305, 310, 380, 488, 548, 589, 610, 620, 685, 760, 1096, 1159, 1178, 1220, 1240, 1370, 1891, 2318, 2356, 2440, 2603, 2740, 2945, 3782, 4247, 4636, 4712, 5206, 5480, 5795, 5890, 7564, 8357, 8494, 9272, 9455, 10412, 11590, 11780, 13015, 15128, 16714, 16988, 18910, 20824, 21235, 23180, 23560, 26030, 33428, 33976, 35929, 37820, 41785, 42470, 46360, 52060, 66856, 71858, 75640, 80693, 83570, 84940, 104120, 143716, 158783, 161386, 167140, 169880, 179645, 259067, 287432, 317566, 322772, 334280, 359290, 403465, 518134, 635132, 645544, 718580, 793915, 806930, 1036268, 1270264, 1295335, 1437160, 1587830, 1613860, 2072536, 2590670, 3175660, 3227720, 4922273, 5181340, 6351320, 9844546, 10362680, 19689092, 24611365, 39378184, 49222730, 98445460, 196890920]

約数ペア:

[(1, 196890920), (2, 98445460), (4, 49222730), (5, 39378184), (8, 24611365), (10, 19689092), (19, 10362680), (20, 9844546), (31, 6351320), (38, 5181340), (40, 4922273), (61, 3227720), (62, 3175660), (76, 2590670), (95, 2072536), (122, 1613860), (124, 1587830), (137, 1437160), (152, 1295335), (155, 1270264), (190, 1036268), (244, 806930), (248, 793915), (274, 718580), (305, 645544), (310, 635132), (380, 518134), (488, 403465), (548, 359290), (589, 334280), (610, 322772), (620, 317566), (685, 287432), (760, 259067), (1096, 179645), (1159, 169880), (1178, 167140), (1220, 161386), (1240, 158783), (1370, 143716), (1891, 104120), (2318, 84940), (2356, 83570), (2440, 80693), (2603, 75640), (2740, 71858), (2945, 66856), (3782, 52060), (4247, 46360), (4636, 42470), (4712, 41785), (5206, 37820), (5480, 35929), (5795, 33976), (5890, 33428), (7564, 26030), (8357, 23560), (8494, 23180), (9272, 21235), (9455, 20824), (10412, 18910), (11590, 16988), (11780, 16714), (13015, 15128)]