12778834340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{158507}}^1$

素因数の和:158684

約数の個数: 48

約数和(自身を含む): 27960811200

約数和(自身を除く): 15181976860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 4031, 8062, 16124, 20155, 40310, 80620, 158507, 317014, 634028, 792535, 1585070, 3170140, 4596703, 9193406, 18386812, 22032473, 22983515, 44064946, 45967030, 88129892, 91934060, 110162365, 220324730, 440649460, 638941717, 1277883434, 2555766868, 3194708585, 6389417170, 12778834340]

約数ペア:

[(1, 12778834340), (2, 6389417170), (4, 3194708585), (5, 2555766868), (10, 1277883434), (20, 638941717), (29, 440649460), (58, 220324730), (116, 110162365), (139, 91934060), (145, 88129892), (278, 45967030), (290, 44064946), (556, 22983515), (580, 22032473), (695, 18386812), (1390, 9193406), (2780, 4596703), (4031, 3170140), (8062, 1585070), (16124, 792535), (20155, 634028), (40310, 317014), (80620, 158507)]