665778820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3541}}^1$

素因数の和:3653

約数の個数: 96

約数和(自身を含む): 1713761280

約数和(自身を除く): 1047982460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 79, 85, 119, 140, 158, 170, 238, 316, 340, 395, 476, 553, 595, 790, 1106, 1190, 1343, 1580, 2212, 2380, 2686, 2765, 3541, 5372, 5530, 6715, 7082, 9401, 11060, 13430, 14164, 17705, 18802, 24787, 26860, 35410, 37604, 47005, 49574, 60197, 70820, 94010, 99148, 120394, 123935, 188020, 240788, 247870, 279739, 300985, 421379, 495740, 559478, 601970, 842758, 1118956, 1203940, 1398695, 1685516, 1958173, 2106895, 2797390, 3916346, 4213790, 4755563, 5594780, 7832692, 8427580, 9511126, 9790865, 19022252, 19581730, 23777815, 33288941, 39163460, 47555630, 66577882, 95111260, 133155764, 166444705, 332889410, 665778820]

約数ペア:

[(1, 665778820), (2, 332889410), (4, 166444705), (5, 133155764), (7, 95111260), (10, 66577882), (14, 47555630), (17, 39163460), (20, 33288941), (28, 23777815), (34, 19581730), (35, 19022252), (68, 9790865), (70, 9511126), (79, 8427580), (85, 7832692), (119, 5594780), (140, 4755563), (158, 4213790), (170, 3916346), (238, 2797390), (316, 2106895), (340, 1958173), (395, 1685516), (476, 1398695), (553, 1203940), (595, 1118956), (790, 842758), (1106, 601970), (1190, 559478), (1343, 495740), (1580, 421379), (2212, 300985), (2380, 279739), (2686, 247870), (2765, 240788), (3541, 188020), (5372, 123935), (5530, 120394), (6715, 99148), (7082, 94010), (9401, 70820), (11060, 60197), (13430, 49574), (14164, 47005), (17705, 37604), (18802, 35410), (24787, 26860)]