1680919208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 3376296000

約数和(自身を除く): 1695376792

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 173, 194, 346, 388, 659, 692, 776, 1318, 1384, 1843, 2636, 3287, 3686, 5272, 6574, 7372, 12521, 13148, 14744, 16781, 25042, 26296, 33562, 50084, 63923, 67124, 100168, 114007, 127846, 134248, 228014, 255692, 318839, 456028, 511384, 637678, 912056, 1214537, 1275356, 2166133, 2429074, 2550712, 4332266, 4858148, 8664532, 9716296, 11058679, 17329064, 22117358, 44234716, 88469432, 210114901, 420229802, 840459604, 1680919208]

約数ペア:

[(1, 1680919208), (2, 840459604), (4, 420229802), (8, 210114901), (19, 88469432), (38, 44234716), (76, 22117358), (97, 17329064), (152, 11058679), (173, 9716296), (194, 8664532), (346, 4858148), (388, 4332266), (659, 2550712), (692, 2429074), (776, 2166133), (1318, 1275356), (1384, 1214537), (1843, 912056), (2636, 637678), (3287, 511384), (3686, 456028), (5272, 318839), (6574, 255692), (7372, 228014), (12521, 134248), (13148, 127846), (14744, 114007), (16781, 100168), (25042, 67124), (26296, 63923), (33562, 50084)]