28911454890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{91097}}^1$

素因数の和:91327

約数の個数: 64

約数和(自身を含む): 70837804800

約数和(自身を除く): 41926349910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 149, 213, 298, 355, 426, 447, 710, 745, 894, 1065, 1490, 2130, 2235, 4470, 10579, 21158, 31737, 52895, 63474, 91097, 105790, 158685, 182194, 273291, 317370, 455485, 546582, 910970, 1366455, 2732910, 6467887, 12935774, 13573453, 19403661, 27146906, 32339435, 38807322, 40720359, 64678870, 67867265, 81440718, 97018305, 135734530, 194036610, 203601795, 407203590, 963715163, 1927430326, 2891145489, 4818575815, 5782290978, 9637151630, 14455727445, 28911454890]

約数ペア:

[(1, 28911454890), (2, 14455727445), (3, 9637151630), (5, 5782290978), (6, 4818575815), (10, 2891145489), (15, 1927430326), (30, 963715163), (71, 407203590), (142, 203601795), (149, 194036610), (213, 135734530), (298, 97018305), (355, 81440718), (426, 67867265), (447, 64678870), (710, 40720359), (745, 38807322), (894, 32339435), (1065, 27146906), (1490, 19403661), (2130, 13573453), (2235, 12935774), (4470, 6467887), (10579, 2732910), (21158, 1366455), (31737, 910970), (52895, 546582), (63474, 455485), (91097, 317370), (105790, 273291), (158685, 182194)]