19964440510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3362

約数の個数: 128

約数和(自身を含む): 44020039680

約数和(自身を除く): 24055599170

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 47, 61, 62, 70, 94, 122, 155, 217, 235, 305, 310, 329, 427, 434, 470, 610, 658, 854, 1085, 1457, 1645, 1891, 2135, 2170, 2867, 2914, 3209, 3290, 3782, 4270, 5734, 6418, 7285, 9455, 10199, 13237, 14335, 14570, 16045, 18910, 20069, 20398, 22463, 26474, 28670, 32090, 40138, 44926, 50995, 66185, 88877, 99479, 100345, 101990, 112315, 132370, 150823, 177754, 195749, 198958, 200690, 224630, 301646, 391498, 444385, 497395, 622139, 696353, 754115, 888770, 978745, 994790, 1055761, 1244278, 1370243, 1392706, 1508230, 1957490, 2111522, 2740486, 3110695, 3481765, 4675513, 5278805, 6068219, 6221390, 6851215, 6963530, 9200203, 9351026, 10557610, 12136438, 13702430, 18400406, 23377565, 30341095, 32728591, 42477533, 46001015, 46755130, 60682190, 64401421, 65457182, 84955066, 92002030, 128802842, 163642955, 212387665, 285206293, 322007105, 327285910, 424775330, 570412586, 644014210, 1426031465, 1996444051, 2852062930, 3992888102, 9982220255, 19964440510]

約数ペア:

[(1, 19964440510), (2, 9982220255), (5, 3992888102), (7, 2852062930), (10, 1996444051), (14, 1426031465), (31, 644014210), (35, 570412586), (47, 424775330), (61, 327285910), (62, 322007105), (70, 285206293), (94, 212387665), (122, 163642955), (155, 128802842), (217, 92002030), (235, 84955066), (305, 65457182), (310, 64401421), (329, 60682190), (427, 46755130), (434, 46001015), (470, 42477533), (610, 32728591), (658, 30341095), (854, 23377565), (1085, 18400406), (1457, 13702430), (1645, 12136438), (1891, 10557610), (2135, 9351026), (2170, 9200203), (2867, 6963530), (2914, 6851215), (3209, 6221390), (3290, 6068219), (3782, 5278805), (4270, 4675513), (5734, 3481765), (6418, 3110695), (7285, 2740486), (9455, 2111522), (10199, 1957490), (13237, 1508230), (14335, 1392706), (14570, 1370243), (16045, 1244278), (18910, 1055761), (20069, 994790), (20398, 978745), (22463, 888770), (26474, 754115), (28670, 696353), (32090, 622139), (40138, 497395), (44926, 444385), (50995, 391498), (66185, 301646), (88877, 224630), (99479, 200690), (100345, 198958), (101990, 195749), (112315, 177754), (132370, 150823)]