251950640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5347}}^1$

素因数の和:5410

約数の個数: 80

約数和(自身を含む): 636625920

約数和(自身を除く): 384675280

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, 5347, 5890, 9424, 10694, 11780, 21388, 23560, 26735, 42776, 47120, 53470, 85552, 101593, 106940, 165757, 203186, 213880, 331514, 406372, 427760, 507965, 663028, 812744, 828785, 1015930, 1326056, 1625488, 1657570, 2031860, 2652112, 3149383, 3315140, 4063720, 6298766, 6630280, 8127440, 12597532, 13260560, 15746915, 25195064, 31493830, 50390128, 62987660, 125975320, 251950640]

約数ペア:

[(1, 251950640), (2, 125975320), (4, 62987660), (5, 50390128), (8, 31493830), (10, 25195064), (16, 15746915), (19, 13260560), (20, 12597532), (31, 8127440), (38, 6630280), (40, 6298766), (62, 4063720), (76, 3315140), (80, 3149383), (95, 2652112), (124, 2031860), (152, 1657570), (155, 1625488), (190, 1326056), (248, 1015930), (304, 828785), (310, 812744), (380, 663028), (496, 507965), (589, 427760), (620, 406372), (760, 331514), (1178, 213880), (1240, 203186), (1520, 165757), (2356, 106940), (2480, 101593), (2945, 85552), (4712, 53470), (5347, 47120), (5890, 42776), (9424, 26735), (10694, 23560), (11780, 21388)]