1900649960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 4793904000

約数和(自身を除く): 2893254040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 149, 212, 220, 265, 298, 424, 440, 530, 547, 583, 596, 745, 1060, 1094, 1166, 1192, 1490, 1639, 2120, 2188, 2332, 2735, 2915, 2980, 3278, 4376, 4664, 5470, 5830, 5960, 6017, 6556, 7897, 8195, 10940, 11660, 12034, 13112, 15794, 16390, 21880, 23320, 24068, 28991, 30085, 31588, 32780, 39485, 48136, 57982, 60170, 63176, 65560, 78970, 81503, 86867, 115964, 120340, 144955, 157940, 163006, 173734, 231928, 240680, 289910, 315880, 318901, 326012, 347468, 407515, 434335, 579820, 637802, 652024, 694936, 815030, 868670, 896533, 1159640, 1275604, 1594505, 1630060, 1737340, 1793066, 2551208, 3189010, 3260120, 3474680, 3586132, 4319659, 4482665, 6378020, 7172264, 8639318, 8965330, 12756040, 17278636, 17930660, 21598295, 34557272, 35861320, 43196590, 47516249, 86393180, 95032498, 172786360, 190064996, 237581245, 380129992, 475162490, 950324980, 1900649960]

約数ペア:

[(1, 1900649960), (2, 950324980), (4, 475162490), (5, 380129992), (8, 237581245), (10, 190064996), (11, 172786360), (20, 95032498), (22, 86393180), (40, 47516249), (44, 43196590), (53, 35861320), (55, 34557272), (88, 21598295), (106, 17930660), (110, 17278636), (149, 12756040), (212, 8965330), (220, 8639318), (265, 7172264), (298, 6378020), (424, 4482665), (440, 4319659), (530, 3586132), (547, 3474680), (583, 3260120), (596, 3189010), (745, 2551208), (1060, 1793066), (1094, 1737340), (1166, 1630060), (1192, 1594505), (1490, 1275604), (1639, 1159640), (2120, 896533), (2188, 868670), (2332, 815030), (2735, 694936), (2915, 652024), (2980, 637802), (3278, 579820), (4376, 434335), (4664, 407515), (5470, 347468), (5830, 326012), (5960, 318901), (6017, 315880), (6556, 289910), (7897, 240680), (8195, 231928), (10940, 173734), (11660, 163006), (12034, 157940), (13112, 144955), (15794, 120340), (16390, 115964), (21880, 86867), (23320, 81503), (24068, 78970), (28991, 65560), (30085, 63176), (31588, 60170), (32780, 57982), (39485, 48136)]