1799476840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{547}}^1$

素因数の和:975

約数の個数: 128

約数和(自身を含む): 4797849600

約数和(自身を除く): 2998372760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 379, 434, 547, 620, 758, 868, 1085, 1094, 1240, 1516, 1736, 1895, 2170, 2188, 2653, 2735, 3032, 3790, 3829, 4340, 4376, 5306, 5470, 7580, 7658, 8680, 10612, 10940, 11749, 13265, 15160, 15316, 16957, 19145, 21224, 21880, 23498, 26530, 30632, 33914, 38290, 46996, 53060, 58745, 67828, 76580, 82243, 84785, 93992, 106120, 117490, 118699, 135656, 153160, 164486, 169570, 207313, 234980, 237398, 328972, 339140, 411215, 414626, 469960, 474796, 593495, 657944, 678280, 822430, 829252, 949592, 1036565, 1186990, 1451191, 1644860, 1658504, 2073130, 2373980, 2902382, 3289720, 4146260, 4747960, 5804764, 6426703, 7255955, 8292520, 11609528, 12853406, 14511910, 25706812, 29023820, 32133515, 44986921, 51413624, 58047640, 64267030, 89973842, 128534060, 179947684, 224934605, 257068120, 359895368, 449869210, 899738420, 1799476840]

約数ペア:

[(1, 1799476840), (2, 899738420), (4, 449869210), (5, 359895368), (7, 257068120), (8, 224934605), (10, 179947684), (14, 128534060), (20, 89973842), (28, 64267030), (31, 58047640), (35, 51413624), (40, 44986921), (56, 32133515), (62, 29023820), (70, 25706812), (124, 14511910), (140, 12853406), (155, 11609528), (217, 8292520), (248, 7255955), (280, 6426703), (310, 5804764), (379, 4747960), (434, 4146260), (547, 3289720), (620, 2902382), (758, 2373980), (868, 2073130), (1085, 1658504), (1094, 1644860), (1240, 1451191), (1516, 1186990), (1736, 1036565), (1895, 949592), (2170, 829252), (2188, 822430), (2653, 678280), (2735, 657944), (3032, 593495), (3790, 474796), (3829, 469960), (4340, 414626), (4376, 411215), (5306, 339140), (5470, 328972), (7580, 237398), (7658, 234980), (8680, 207313), (10612, 169570), (10940, 164486), (11749, 153160), (13265, 135656), (15160, 118699), (15316, 117490), (16957, 106120), (19145, 93992), (21224, 84785), (21880, 82243), (23498, 76580), (26530, 67828), (30632, 58745), (33914, 53060), (38290, 46996)]