About the Number

2100162890

2100162889 ← → 2100162891

2進数表記:1111101001011011111000101001010

漢数字表記:二十一億十六万二千八百九十

素因数分解:

2 1 × 5 1 × 7 1 × 23 1 × 29 1 × 31 1 × 1451 1

素因数の和:1548
約数の個数: 128
約数和(自身を含む): 4817387520
約数和(自身を除く): 2717224630

約数列:
[1, 2, 5, 7, 10, 14, 23, 29, 31, 35, 46, 58, 62, 70, 115, 145, 155, 161, 203, 217, 230, 290, 310, 322, 406, 434, 667, 713, 805, 899, 1015, 1085, 1334, 1426, 1451, 1610, 1798, 2030, 2170, 2902, 3335, 3565, 4495, 4669, 4991, 6293, 6670, 7130, 7255, 8990, 9338, 9982, 10157, 12586, 14510, 20314, 20677, 23345, 24955, 31465, 33373, 41354, 42079, 44981, 46690, 49910, 50785, 62930, 66746, 84158, 89962, 101570, 103385, 144739, 166865, 206770, 210395, 224905, 233611, 289478, 294553, 314867, 333730, 420790, 449810, 467222, 589106, 629734, 723695, 967817, 1034563, 1168055, 1304449, 1447390, 1472765, 1574335, 1935634, 2069126, 2336110, 2608898, 2945530, 3148670, 4839085, 5172815, 6522245, 6774719, 7241941, 9131143, 9678170, 10345630, 13044490, 13549438, 14483882, 18262286, 30002327, 33873595, 36209705, 45655715, 60004654, 67747190, 72419410, 91311430, 150011635, 210016289, 300023270, 420032578, 1050081445, 2100162890]

約数ペア:
[(1, 2100162890), (2, 1050081445), (5, 420032578), (7, 300023270), (10, 210016289), (14, 150011635), (23, 91311430), (29, 72419410), (31, 67747190), (35, 60004654), (46, 45655715), (58, 36209705), (62, 33873595), (70, 30002327), (115, 18262286), (145, 14483882), (155, 13549438), (161, 13044490), (203, 10345630), (217, 9678170), (230, 9131143), (290, 7241941), (310, 6774719), (322, 6522245), (406, 5172815), (434, 4839085), (667, 3148670), (713, 2945530), (805, 2608898), (899, 2336110), (1015, 2069126), (1085, 1935634), (1334, 1574335), (1426, 1472765), (1451, 1447390), (1610, 1304449), (1798, 1168055), (2030, 1034563), (2170, 967817), (2902, 723695), (3335, 629734), (3565, 589106), (4495, 467222), (4669, 449810), (4991, 420790), (6293, 333730), (6670, 314867), (7130, 294553), (7255, 289478), (8990, 233611), (9338, 224905), (9982, 210395), (10157, 206770), (12586, 166865), (14510, 144739), (20314, 103385), (20677, 101570), (23345, 89962), (24955, 84158), (31465, 66746), (33373, 62930), (41354, 50785), (42079, 49910), (44981, 46690)]

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