127805210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{877}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 265507200

約数和(自身を除く): 137701990

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 59, 65, 95, 118, 130, 190, 247, 295, 494, 590, 767, 877, 1121, 1235, 1534, 1754, 2242, 2470, 3835, 4385, 5605, 7670, 8770, 11210, 11401, 14573, 16663, 22802, 29146, 33326, 51743, 57005, 72865, 83315, 103486, 114010, 145730, 166630, 216619, 258715, 433238, 517430, 672659, 983117, 1083095, 1345318, 1966234, 2166190, 3363295, 4915585, 6726590, 9831170, 12780521, 25561042, 63902605, 127805210]

約数ペア:

[(1, 127805210), (2, 63902605), (5, 25561042), (10, 12780521), (13, 9831170), (19, 6726590), (26, 4915585), (38, 3363295), (59, 2166190), (65, 1966234), (95, 1345318), (118, 1083095), (130, 983117), (190, 672659), (247, 517430), (295, 433238), (494, 258715), (590, 216619), (767, 166630), (877, 145730), (1121, 114010), (1235, 103486), (1534, 83315), (1754, 72865), (2242, 57005), (2470, 51743), (3835, 33326), (4385, 29146), (5605, 22802), (7670, 16663), (8770, 14573), (11210, 11401)]