208749380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 526901760

約数和(自身を除く): 318152380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 241, 269, 322, 460, 482, 538, 644, 805, 964, 1076, 1205, 1345, 1610, 1687, 1883, 2410, 2690, 3220, 3374, 3766, 4820, 5380, 5543, 6187, 6748, 7532, 8435, 9415, 11086, 12374, 16870, 18830, 22172, 24748, 27715, 30935, 33740, 37660, 38801, 43309, 55430, 61870, 64829, 77602, 86618, 110860, 123740, 129658, 155204, 173236, 194005, 216545, 259316, 324145, 388010, 433090, 453803, 648290, 776020, 866180, 907606, 1296580, 1491067, 1815212, 2269015, 2982134, 4538030, 5964268, 7455335, 9076060, 10437469, 14910670, 20874938, 29821340, 41749876, 52187345, 104374690, 208749380]

約数ペア:

[(1, 208749380), (2, 104374690), (4, 52187345), (5, 41749876), (7, 29821340), (10, 20874938), (14, 14910670), (20, 10437469), (23, 9076060), (28, 7455335), (35, 5964268), (46, 4538030), (70, 2982134), (92, 2269015), (115, 1815212), (140, 1491067), (161, 1296580), (230, 907606), (241, 866180), (269, 776020), (322, 648290), (460, 453803), (482, 433090), (538, 388010), (644, 324145), (805, 259316), (964, 216545), (1076, 194005), (1205, 173236), (1345, 155204), (1610, 129658), (1687, 123740), (1883, 110860), (2410, 86618), (2690, 77602), (3220, 64829), (3374, 61870), (3766, 55430), (4820, 43309), (5380, 38801), (5543, 37660), (6187, 33740), (6748, 30935), (7532, 27715), (8435, 24748), (9415, 22172), (11086, 18830), (12374, 16870)]