30919420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 78446592

約数和(自身を除く): 47527172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 47, 70, 74, 94, 127, 140, 148, 185, 188, 235, 254, 259, 329, 370, 470, 508, 518, 635, 658, 740, 889, 940, 1036, 1270, 1295, 1316, 1645, 1739, 1778, 2540, 2590, 3290, 3478, 3556, 4445, 4699, 5180, 5969, 6580, 6956, 8695, 8890, 9398, 11938, 12173, 17390, 17780, 18796, 23495, 23876, 24346, 29845, 32893, 34780, 41783, 46990, 48692, 59690, 60865, 65786, 83566, 93980, 119380, 121730, 131572, 164465, 167132, 208915, 220853, 243460, 328930, 417830, 441706, 657860, 835660, 883412, 1104265, 1545971, 2208530, 3091942, 4417060, 6183884, 7729855, 15459710, 30919420]

約数ペア:

[(1, 30919420), (2, 15459710), (4, 7729855), (5, 6183884), (7, 4417060), (10, 3091942), (14, 2208530), (20, 1545971), (28, 1104265), (35, 883412), (37, 835660), (47, 657860), (70, 441706), (74, 417830), (94, 328930), (127, 243460), (140, 220853), (148, 208915), (185, 167132), (188, 164465), (235, 131572), (254, 121730), (259, 119380), (329, 93980), (370, 83566), (470, 65786), (508, 60865), (518, 59690), (635, 48692), (658, 46990), (740, 41783), (889, 34780), (940, 32893), (1036, 29845), (1270, 24346), (1295, 23876), (1316, 23495), (1645, 18796), (1739, 17780), (1778, 17390), (2540, 12173), (2590, 11938), (3290, 9398), (3478, 8890), (3556, 8695), (4445, 6956), (4699, 6580), (5180, 5969)]