728045230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 128

約数和(自身を含む): 1647267840

約数和(自身を除く): 919222610

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 31, 34, 38, 55, 62, 85, 95, 110, 155, 170, 187, 190, 209, 310, 323, 341, 374, 418, 527, 589, 646, 661, 682, 935, 1045, 1054, 1178, 1322, 1615, 1705, 1870, 2090, 2635, 2945, 3230, 3305, 3410, 3553, 5270, 5797, 5890, 6479, 6610, 7106, 7271, 10013, 11237, 11594, 12559, 12958, 14542, 17765, 20026, 20491, 22474, 25118, 28985, 32395, 35530, 36355, 40982, 50065, 56185, 57970, 62795, 64790, 72710, 100130, 102455, 110143, 112370, 123607, 125590, 138149, 204910, 213503, 220286, 225401, 247214, 276298, 348347, 389329, 427006, 450802, 550715, 618035, 690745, 696694, 778658, 1067515, 1101430, 1127005, 1236070, 1381490, 1741735, 1946645, 2135030, 2254010, 2348533, 3483470, 3831817, 3893290, 4282619, 4697066, 6618593, 7663634, 8565238, 11742665, 13237186, 19159085, 21413095, 23485330, 33092965, 38318170, 42826190, 66185930, 72804523, 145609046, 364022615, 728045230]

約数ペア:

[(1, 728045230), (2, 364022615), (5, 145609046), (10, 72804523), (11, 66185930), (17, 42826190), (19, 38318170), (22, 33092965), (31, 23485330), (34, 21413095), (38, 19159085), (55, 13237186), (62, 11742665), (85, 8565238), (95, 7663634), (110, 6618593), (155, 4697066), (170, 4282619), (187, 3893290), (190, 3831817), (209, 3483470), (310, 2348533), (323, 2254010), (341, 2135030), (374, 1946645), (418, 1741735), (527, 1381490), (589, 1236070), (646, 1127005), (661, 1101430), (682, 1067515), (935, 778658), (1045, 696694), (1054, 690745), (1178, 618035), (1322, 550715), (1615, 450802), (1705, 427006), (1870, 389329), (2090, 348347), (2635, 276298), (2945, 247214), (3230, 225401), (3305, 220286), (3410, 213503), (3553, 204910), (5270, 138149), (5797, 125590), (5890, 123607), (6479, 112370), (6610, 110143), (7106, 102455), (7271, 100130), (10013, 72710), (11237, 64790), (11594, 62795), (12559, 57970), (12958, 56185), (14542, 50065), (17765, 40982), (20026, 36355), (20491, 35530), (22474, 32395), (25118, 28985)]