About the Number

31989210

31989209 ← → 31989211

2進数表記:1111010000001110111011010

漢数字表記:三千百九十八万九千二百十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 31 1 × 53 1 × 59 1

素因数の和:164
約数の個数: 128
約数和(自身を含む): 89579520
約数和(自身を除く): 57590310

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 53, 55, 59, 62, 66, 93, 106, 110, 118, 155, 159, 165, 177, 186, 265, 295, 310, 318, 330, 341, 354, 465, 530, 583, 590, 649, 682, 795, 885, 930, 1023, 1166, 1298, 1590, 1643, 1705, 1749, 1770, 1829, 1947, 2046, 2915, 3127, 3245, 3286, 3410, 3498, 3658, 3894, 4929, 5115, 5487, 5830, 6254, 6490, 8215, 8745, 9145, 9381, 9735, 9858, 10230, 10974, 15635, 16430, 17490, 18073, 18290, 18762, 19470, 20119, 24645, 27435, 31270, 34397, 36146, 40238, 46905, 49290, 54219, 54870, 60357, 68794, 90365, 93810, 96937, 100595, 103191, 108438, 120714, 171985, 180730, 193874, 201190, 206382, 271095, 290811, 301785, 343970, 484685, 515955, 542190, 581622, 603570, 969370, 1031910, 1066307, 1454055, 2132614, 2908110, 3198921, 5331535, 6397842, 10663070, 15994605, 31989210]

約数ペア:
[(1, 31989210), (2, 15994605), (3, 10663070), (5, 6397842), (6, 5331535), (10, 3198921), (11, 2908110), (15, 2132614), (22, 1454055), (30, 1066307), (31, 1031910), (33, 969370), (53, 603570), (55, 581622), (59, 542190), (62, 515955), (66, 484685), (93, 343970), (106, 301785), (110, 290811), (118, 271095), (155, 206382), (159, 201190), (165, 193874), (177, 180730), (186, 171985), (265, 120714), (295, 108438), (310, 103191), (318, 100595), (330, 96937), (341, 93810), (354, 90365), (465, 68794), (530, 60357), (583, 54870), (590, 54219), (649, 49290), (682, 46905), (795, 40238), (885, 36146), (930, 34397), (1023, 31270), (1166, 27435), (1298, 24645), (1590, 20119), (1643, 19470), (1705, 18762), (1749, 18290), (1770, 18073), (1829, 17490), (1947, 16430), (2046, 15635), (2915, 10974), (3127, 10230), (3245, 9858), (3286, 9735), (3410, 9381), (3498, 9145), (3658, 8745), (3894, 8215), (4929, 6490), (5115, 6254), (5487, 5830)]

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