378801990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:463

約数の個数: 192

約数和(自身を含む): 1206182016

約数和(自身を除く): 827380026

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 113, 119, 126, 153, 170, 210, 226, 238, 255, 306, 313, 315, 339, 357, 510, 565, 595, 626, 630, 678, 714, 765, 791, 939, 1017, 1071, 1130, 1190, 1530, 1565, 1582, 1695, 1785, 1878, 1921, 2034, 2142, 2191, 2373, 2817, 3130, 3390, 3570, 3842, 3955, 4382, 4695, 4746, 5085, 5321, 5355, 5634, 5763, 6573, 7119, 7910, 9390, 9605, 10170, 10642, 10710, 10955, 11526, 11865, 13146, 13447, 14085, 14238, 15963, 17289, 19210, 19719, 21910, 23730, 26605, 26894, 28170, 28815, 31926, 32865, 34578, 35369, 35595, 37247, 39438, 40341, 47889, 53210, 57630, 65730, 67235, 70738, 71190, 74494, 79815, 80682, 86445, 95778, 98595, 106107, 111741, 121023, 134470, 159630, 172890, 176845, 186235, 197190, 201705, 212214, 223482, 239445, 242046, 247583, 318321, 335223, 353690, 372470, 403410, 478890, 495166, 530535, 558705, 601273, 605115, 636642, 670446, 742749, 1061070, 1117410, 1202546, 1210230, 1237915, 1485498, 1591605, 1676115, 1803819, 2228247, 2475830, 3006365, 3183210, 3352230, 3607638, 3713745, 4208911, 4456494, 5411457, 6012730, 7427490, 8417822, 9019095, 10822914, 11141235, 12626733, 18038190, 21044555, 22282470, 25253466, 27057285, 37880199, 42089110, 54114570, 63133665, 75760398, 126267330, 189400995, 378801990]

約数ペア:

[(1, 378801990), (2, 189400995), (3, 126267330), (5, 75760398), (6, 63133665), (7, 54114570), (9, 42089110), (10, 37880199), (14, 27057285), (15, 25253466), (17, 22282470), (18, 21044555), (21, 18038190), (30, 12626733), (34, 11141235), (35, 10822914), (42, 9019095), (45, 8417822), (51, 7427490), (63, 6012730), (70, 5411457), (85, 4456494), (90, 4208911), (102, 3713745), (105, 3607638), (113, 3352230), (119, 3183210), (126, 3006365), (153, 2475830), (170, 2228247), (210, 1803819), (226, 1676115), (238, 1591605), (255, 1485498), (306, 1237915), (313, 1210230), (315, 1202546), (339, 1117410), (357, 1061070), (510, 742749), (565, 670446), (595, 636642), (626, 605115), (630, 601273), (678, 558705), (714, 530535), (765, 495166), (791, 478890), (939, 403410), (1017, 372470), (1071, 353690), (1130, 335223), (1190, 318321), (1530, 247583), (1565, 242046), (1582, 239445), (1695, 223482), (1785, 212214), (1878, 201705), (1921, 197190), (2034, 186235), (2142, 176845), (2191, 172890), (2373, 159630), (2817, 134470), (3130, 121023), (3390, 111741), (3570, 106107), (3842, 98595), (3955, 95778), (4382, 86445), (4695, 80682), (4746, 79815), (5085, 74494), (5321, 71190), (5355, 70738), (5634, 67235), (5763, 65730), (6573, 57630), (7119, 53210), (7910, 47889), (9390, 40341), (9605, 39438), (10170, 37247), (10642, 35595), (10710, 35369), (10955, 34578), (11526, 32865), (11865, 31926), (13146, 28815), (13447, 28170), (14085, 26894), (14238, 26605), (15963, 23730), (17289, 21910), (19210, 19719)]